Home / 119,824.22-165,305.12-72,050.16

Finding the Fourth Proportional to 119,824.22, 165,305.12 and 72,050.16

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Solution

The fourth proportional to 119,824.22, 165,305.12 and 72,050.16 is: 99,397.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,824.22 : 165,305.12 = 72,050.16 : x
  2. Step 2: Convert to fraction form
    119,824.22/165,305.12 = 72,050.16/x
  3. Step 3: Cross multiply
    119,824.22x = 165,305.12 × 72,050.16
  4. Step 4: Simplify right side
    119,824.22x = 11,910,260,344.82
  5. Step 5: Solve for x
    x = 11,910,260,344.82/119,824.22
  6. Step 6: Final answer
    x = 99,397.77

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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.