Home / 125,214.18-187,821.27-75,862.50

Finding the Fourth Proportional to 125,214.18, 187,821.27 and 75,862.50

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Solution

The fourth proportional to 125,214.18, 187,821.27 and 75,862.50 is: 113,793.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,214.18 : 187,821.27 = 75,862.50 : x
  2. Step 2: Convert to fraction form
    125,214.18/187,821.27 = 75,862.50/x
  3. Step 3: Cross multiply
    125,214.18x = 187,821.27 × 75,862.50
  4. Step 4: Simplify right side
    125,214.18x = 14,248,591,095.38
  5. Step 5: Solve for x
    x = 14,248,591,095.38/125,214.18
  6. Step 6: Final answer
    x = 113,793.75

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1.5x scale

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.