Home / 125,050.56-187,173-82,391.16

Finding the Fourth Proportional to 125,050.56, 187,173 and 82,391.16

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Solution

The fourth proportional to 125,050.56, 187,173 and 82,391.16 is: 123,321.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,050.56 : 187,173 = 82,391.16 : x
  2. Step 2: Convert to fraction form
    125,050.56/187,173 = 82,391.16/x
  3. Step 3: Cross multiply
    125,050.56x = 187,173 × 82,391.16
  4. Step 4: Simplify right side
    125,050.56x = 15,421,400,590.68
  5. Step 5: Solve for x
    x = 15,421,400,590.68/125,050.56
  6. Step 6: Final answer
    x = 123,321.32

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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.