Home / 153,614.70-231,251.92-138,165.98

Finding the Fourth Proportional to 153,614.70, 231,251.92 and 138,165.98

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Solution

The fourth proportional to 153,614.70, 231,251.92 and 138,165.98 is: 207,995.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,614.70 : 231,251.92 = 138,165.98 : x
  2. Step 2: Convert to fraction form
    153,614.70/231,251.92 = 138,165.98/x
  3. Step 3: Cross multiply
    153,614.70x = 231,251.92 × 138,165.98
  4. Step 4: Simplify right side
    153,614.70x = 31,951,146,652.01
  5. Step 5: Solve for x
    x = 31,951,146,652.01/153,614.70
  6. Step 6: Final answer
    x = 207,995.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.