Home / 151,436.40-226,717.20-92,387.40

Finding the Fourth Proportional to 151,436.40, 226,717.20 and 92,387.40

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Solution

The fourth proportional to 151,436.40, 226,717.20 and 92,387.40 is: 138,314.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,436.40 : 226,717.20 = 92,387.40 : x
  2. Step 2: Convert to fraction form
    151,436.40/226,717.20 = 92,387.40/x
  3. Step 3: Cross multiply
    151,436.40x = 226,717.20 × 92,387.40
  4. Step 4: Simplify right side
    151,436.40x = 20,945,812,643.28
  5. Step 5: Solve for x
    x = 20,945,812,643.28/151,436.40
  6. Step 6: Final answer
    x = 138,314.25

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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.