Home / 125,318.52-187,645.23-98,028.90

Finding the Fourth Proportional to 125,318.52, 187,645.23 and 98,028.90

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Solution

The fourth proportional to 125,318.52, 187,645.23 and 98,028.90 is: 146,783.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,318.52 : 187,645.23 = 98,028.90 : x
  2. Step 2: Convert to fraction form
    125,318.52/187,645.23 = 98,028.90/x
  3. Step 3: Cross multiply
    125,318.52x = 187,645.23 × 98,028.90
  4. Step 4: Simplify right side
    125,318.52x = 18,394,655,487.15
  5. Step 5: Solve for x
    x = 18,394,655,487.15/125,318.52
  6. Step 6: Final answer
    x = 146,783.22

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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.