Home / 124,996.20-187,532.70-98,711.40

Finding the Fourth Proportional to 124,996.20, 187,532.70 and 98,711.40

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Solution

The fourth proportional to 124,996.20, 187,532.70 and 98,711.40 is: 148,097.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,996.20 : 187,532.70 = 98,711.40 : x
  2. Step 2: Convert to fraction form
    124,996.20/187,532.70 = 98,711.40/x
  3. Step 3: Cross multiply
    124,996.20x = 187,532.70 × 98,711.40
  4. Step 4: Simplify right side
    124,996.20x = 18,511,615,362.78
  5. Step 5: Solve for x
    x = 18,511,615,362.78/124,996.20
  6. Step 6: Final answer
    x = 148,097.43

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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.