Home / 159,463.32-239,253.05-74,113.57

Finding the Fourth Proportional to 159,463.32, 239,253.05 and 74,113.57

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Solution

The fourth proportional to 159,463.32, 239,253.05 and 74,113.57 is: 111,197.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,463.32 : 239,253.05 = 74,113.57 : x
  2. Step 2: Convert to fraction form
    159,463.32/239,253.05 = 74,113.57/x
  3. Step 3: Cross multiply
    159,463.32x = 239,253.05 × 74,113.57
  4. Step 4: Simplify right side
    159,463.32x = 17,731,897,668.89
  5. Step 5: Solve for x
    x = 17,731,897,668.89/159,463.32
  6. Step 6: Final answer
    x = 111,197.34

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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.