Home / 124,998.20-187,535.70-98,713.40

Finding the Fourth Proportional to 124,998.20, 187,535.70 and 98,713.40

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Solution

The fourth proportional to 124,998.20, 187,535.70 and 98,713.40 is: 148,100.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,998.20 : 187,535.70 = 98,713.40 : x
  2. Step 2: Convert to fraction form
    124,998.20/187,535.70 = 98,713.40/x
  3. Step 3: Cross multiply
    124,998.20x = 187,535.70 × 98,713.40
  4. Step 4: Simplify right side
    124,998.20x = 18,512,286,568.38
  5. Step 5: Solve for x
    x = 18,512,286,568.38/124,998.20
  6. Step 6: Final answer
    x = 148,100.43

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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.