Home / 125,624.20-188,436.30-50,780.20

Finding the Fourth Proportional to 125,624.20, 188,436.30 and 50,780.20

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Solution

The fourth proportional to 125,624.20, 188,436.30 and 50,780.20 is: 76,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,624.20 : 188,436.30 = 50,780.20 : x
  2. Step 2: Convert to fraction form
    125,624.20/188,436.30 = 50,780.20/x
  3. Step 3: Cross multiply
    125,624.20x = 188,436.30 × 50,780.20
  4. Step 4: Simplify right side
    125,624.20x = 9,568,833,001.26
  5. Step 5: Solve for x
    x = 9,568,833,001.26/125,624.20
  6. Step 6: Final answer
    x = 76,170.30

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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.