Home / 125,187.52-187,829.22-75,302.95

Finding the Fourth Proportional to 125,187.52, 187,829.22 and 75,302.95

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Solution

The fourth proportional to 125,187.52, 187,829.22 and 75,302.95 is: 112,983.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,187.52 : 187,829.22 = 75,302.95 : x
  2. Step 2: Convert to fraction form
    125,187.52/187,829.22 = 75,302.95/x
  3. Step 3: Cross multiply
    125,187.52x = 187,829.22 × 75,302.95
  4. Step 4: Simplify right side
    125,187.52x = 14,144,094,362.20
  5. Step 5: Solve for x
    x = 14,144,094,362.20/125,187.52
  6. Step 6: Final answer
    x = 112,983.26

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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.