Home / 115,606.52-159,449.33-99,500.48

Finding the Fourth Proportional to 115,606.52, 159,449.33 and 99,500.48

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Solution

The fourth proportional to 115,606.52, 159,449.33 and 99,500.48 is: 137,235.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,606.52 : 159,449.33 = 99,500.48 : x
  2. Step 2: Convert to fraction form
    115,606.52/159,449.33 = 99,500.48/x
  3. Step 3: Cross multiply
    115,606.52x = 159,449.33 × 99,500.48
  4. Step 4: Simplify right side
    115,606.52x = 15,865,283,575.93
  5. Step 5: Solve for x
    x = 15,865,283,575.93/115,606.52
  6. Step 6: Final answer
    x = 137,235.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.