Home / 125,543.10-188,314.94-30,773.70

Finding the Fourth Proportional to 125,543.10, 188,314.94 and 30,773.70

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Solution

The fourth proportional to 125,543.10, 188,314.94 and 30,773.70 is: 46,160.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,543.10 : 188,314.94 = 30,773.70 : x
  2. Step 2: Convert to fraction form
    125,543.10/188,314.94 = 30,773.70/x
  3. Step 3: Cross multiply
    125,543.10x = 188,314.94 × 30,773.70
  4. Step 4: Simplify right side
    125,543.10x = 5,795,147,469.08
  5. Step 5: Solve for x
    x = 5,795,147,469.08/125,543.10
  6. Step 6: Final answer
    x = 46,160.62

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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.