Home / 119,917.02-165,385.35-89,773.68

Finding the Fourth Proportional to 119,917.02, 165,385.35 and 89,773.68

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Solution

The fourth proportional to 119,917.02, 165,385.35 and 89,773.68 is: 123,812.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,917.02 : 165,385.35 = 89,773.68 : x
  2. Step 2: Convert to fraction form
    119,917.02/165,385.35 = 89,773.68/x
  3. Step 3: Cross multiply
    119,917.02x = 165,385.35 × 89,773.68
  4. Step 4: Simplify right side
    119,917.02x = 14,847,251,487.59
  5. Step 5: Solve for x
    x = 14,847,251,487.59/119,917.02
  6. Step 6: Final answer
    x = 123,812.71

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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.