Home / 188,125.80-282,285.53-124,989.39

Finding the Fourth Proportional to 188,125.80, 282,285.53 and 124,989.39

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Solution

The fourth proportional to 188,125.80, 282,285.53 and 124,989.39 is: 187,548.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,125.80 : 282,285.53 = 124,989.39 : x
  2. Step 2: Convert to fraction form
    188,125.80/282,285.53 = 124,989.39/x
  3. Step 3: Cross multiply
    188,125.80x = 282,285.53 × 124,989.39
  4. Step 4: Simplify right side
    188,125.80x = 35,282,696,200.53
  5. Step 5: Solve for x
    x = 35,282,696,200.53/188,125.80
  6. Step 6: Final answer
    x = 187,548.42

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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.