Home / 151,248.71-226,623.45-87,890.99

Finding the Fourth Proportional to 151,248.71, 226,623.45 and 87,890.99

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Solution

The fourth proportional to 151,248.71, 226,623.45 and 87,890.99 is: 131,691.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,248.71 : 226,623.45 = 87,890.99 : x
  2. Step 2: Convert to fraction form
    151,248.71/226,623.45 = 87,890.99/x
  3. Step 3: Cross multiply
    151,248.71x = 226,623.45 × 87,890.99
  4. Step 4: Simplify right side
    151,248.71x = 19,918,158,244.60
  5. Step 5: Solve for x
    x = 19,918,158,244.60/151,248.71
  6. Step 6: Final answer
    x = 131,691.43

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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.