Home / 178,066.90-266,712.14-89,165.34

Finding the Fourth Proportional to 178,066.90, 266,712.14 and 89,165.34

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Solution

The fourth proportional to 178,066.90, 266,712.14 and 89,165.34 is: 133,553.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,066.90 : 266,712.14 = 89,165.34 : x
  2. Step 2: Convert to fraction form
    178,066.90/266,712.14 = 89,165.34/x
  3. Step 3: Cross multiply
    178,066.90x = 266,712.14 × 89,165.34
  4. Step 4: Simplify right side
    178,066.90x = 23,781,478,645.23
  5. Step 5: Solve for x
    x = 23,781,478,645.23/178,066.90
  6. Step 6: Final answer
    x = 133,553.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.