Home / 151,084.40-226,432.20-91,857.20

Finding the Fourth Proportional to 151,084.40, 226,432.20 and 91,857.20

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Solution

The fourth proportional to 151,084.40, 226,432.20 and 91,857.20 is: 137,667.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,084.40 : 226,432.20 = 91,857.20 : x
  2. Step 2: Convert to fraction form
    151,084.40/226,432.20 = 91,857.20/x
  3. Step 3: Cross multiply
    151,084.40x = 226,432.20 × 91,857.20
  4. Step 4: Simplify right side
    151,084.40x = 20,799,427,881.84
  5. Step 5: Solve for x
    x = 20,799,427,881.84/151,084.40
  6. Step 6: Final answer
    x = 137,667.61

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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.