Home / 124,715.60-187,073.40-82,725.20

Finding the Fourth Proportional to 124,715.60, 187,073.40 and 82,725.20

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Solution

The fourth proportional to 124,715.60, 187,073.40 and 82,725.20 is: 124,087.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,715.60 : 187,073.40 = 82,725.20 : x
  2. Step 2: Convert to fraction form
    124,715.60/187,073.40 = 82,725.20/x
  3. Step 3: Cross multiply
    124,715.60x = 187,073.40 × 82,725.20
  4. Step 4: Simplify right side
    124,715.60x = 15,475,684,429.68
  5. Step 5: Solve for x
    x = 15,475,684,429.68/124,715.60
  6. Step 6: Final answer
    x = 124,087.80

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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.