Home / 153,270.17-229,606.32-86,508.35

Finding the Fourth Proportional to 153,270.17, 229,606.32 and 86,508.35

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Solution

The fourth proportional to 153,270.17, 229,606.32 and 86,508.35 is: 129,593.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,270.17 : 229,606.32 = 86,508.35 : x
  2. Step 2: Convert to fraction form
    153,270.17/229,606.32 = 86,508.35/x
  3. Step 3: Cross multiply
    153,270.17x = 229,606.32 × 86,508.35
  4. Step 4: Simplify right side
    153,270.17x = 19,862,863,892.77
  5. Step 5: Solve for x
    x = 19,862,863,892.77/153,270.17
  6. Step 6: Final answer
    x = 129,593.80

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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.