Home / 119,740.17-165,238.27-66,024.28

Finding the Fourth Proportional to 119,740.17, 165,238.27 and 66,024.28

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Solution

The fourth proportional to 119,740.17, 165,238.27 and 66,024.28 is: 91,111.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,740.17 : 165,238.27 = 66,024.28 : x
  2. Step 2: Convert to fraction form
    119,740.17/165,238.27 = 66,024.28/x
  3. Step 3: Cross multiply
    119,740.17x = 165,238.27 × 66,024.28
  4. Step 4: Simplify right side
    119,740.17x = 10,909,737,805.20
  5. Step 5: Solve for x
    x = 10,909,737,805.20/119,740.17
  6. Step 6: Final answer
    x = 91,111.76

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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.