Home / 649,407.18-974,202.21-200,164.26

Finding the Fourth Proportional to 649,407.18, 974,202.21 and 200,164.26

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Solution

The fourth proportional to 649,407.18, 974,202.21 and 200,164.26 is: 300,274.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,407.18 : 974,202.21 = 200,164.26 : x
  2. Step 2: Convert to fraction form
    649,407.18/974,202.21 = 200,164.26/x
  3. Step 3: Cross multiply
    649,407.18x = 974,202.21 × 200,164.26
  4. Step 4: Simplify right side
    649,407.18x = 195,000,464,455.02
  5. Step 5: Solve for x
    x = 195,000,464,455.02/649,407.18
  6. Step 6: Final answer
    x = 300,274.57

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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.