Home / 649,401.06-974,193.09-200,158.26

Finding the Fourth Proportional to 649,401.06, 974,193.09 and 200,158.26

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Solution

The fourth proportional to 649,401.06, 974,193.09 and 200,158.26 is: 300,265.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,401.06 : 974,193.09 = 200,158.26 : x
  2. Step 2: Convert to fraction form
    649,401.06/974,193.09 = 200,158.26/x
  3. Step 3: Cross multiply
    649,401.06x = 974,193.09 × 200,158.26
  4. Step 4: Simplify right side
    649,401.06x = 194,992,793,798.42
  5. Step 5: Solve for x
    x = 194,992,793,798.42/649,401.06
  6. Step 6: Final answer
    x = 300,265.59

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.