Home / 140,232.33-193,519.85-76,569.67

Finding the Fourth Proportional to 140,232.33, 193,519.85 and 76,569.67

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Solution

The fourth proportional to 140,232.33, 193,519.85 and 76,569.67 is: 105,665.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,232.33 : 193,519.85 = 76,569.67 : x
  2. Step 2: Convert to fraction form
    140,232.33/193,519.85 = 76,569.67/x
  3. Step 3: Cross multiply
    140,232.33x = 193,519.85 × 76,569.67
  4. Step 4: Simplify right side
    140,232.33x = 14,817,750,912.00
  5. Step 5: Solve for x
    x = 14,817,750,912.00/140,232.33
  6. Step 6: Final answer
    x = 105,665.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.