Home / 134,487.81-185,593.71-80,773.74

Finding the Fourth Proportional to 134,487.81, 185,593.71 and 80,773.74

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Solution

The fourth proportional to 134,487.81, 185,593.71 and 80,773.74 is: 111,468.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,487.81 : 185,593.71 = 80,773.74 : x
  2. Step 2: Convert to fraction form
    134,487.81/185,593.71 = 80,773.74/x
  3. Step 3: Cross multiply
    134,487.81x = 185,593.71 × 80,773.74
  4. Step 4: Simplify right side
    134,487.81x = 14,991,098,380.08
  5. Step 5: Solve for x
    x = 14,991,098,380.08/134,487.81
  6. Step 6: Final answer
    x = 111,468.08

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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.