Home / 176,564.97-243,665.69-100,083.15

Finding the Fourth Proportional to 176,564.97, 243,665.69 and 100,083.15

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Solution

The fourth proportional to 176,564.97, 243,665.69 and 100,083.15 is: 138,118.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,564.97 : 243,665.69 = 100,083.15 : x
  2. Step 2: Convert to fraction form
    176,564.97/243,665.69 = 100,083.15/x
  3. Step 3: Cross multiply
    176,564.97x = 243,665.69 × 100,083.15
  4. Step 4: Simplify right side
    176,564.97x = 24,386,829,301.71
  5. Step 5: Solve for x
    x = 24,386,829,301.71/176,564.97
  6. Step 6: Final answer
    x = 138,118.16

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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.