Home / 159,381.38-239,033.79-47,031.26

Finding the Fourth Proportional to 159,381.38, 239,033.79 and 47,031.26

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Solution

The fourth proportional to 159,381.38, 239,033.79 and 47,031.26 is: 70,535.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,381.38 : 239,033.79 = 47,031.26 : x
  2. Step 2: Convert to fraction form
    159,381.38/239,033.79 = 47,031.26/x
  3. Step 3: Cross multiply
    159,381.38x = 239,033.79 × 47,031.26
  4. Step 4: Simplify right side
    159,381.38x = 11,242,059,131.11
  5. Step 5: Solve for x
    x = 11,242,059,131.11/159,381.38
  6. Step 6: Final answer
    x = 70,535.59

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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.