Home / 125,269.20-187,742.52-55,130.32

Finding the Fourth Proportional to 125,269.20, 187,742.52 and 55,130.32

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Solution

The fourth proportional to 125,269.20, 187,742.52 and 55,130.32 is: 82,624.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,269.20 : 187,742.52 = 55,130.32 : x
  2. Step 2: Convert to fraction form
    125,269.20/187,742.52 = 55,130.32/x
  3. Step 3: Cross multiply
    125,269.20x = 187,742.52 × 55,130.32
  4. Step 4: Simplify right side
    125,269.20x = 10,350,305,205.21
  5. Step 5: Solve for x
    x = 10,350,305,205.21/125,269.20
  6. Step 6: Final answer
    x = 82,624.50

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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.