Home / 124,879.95-187,265.25-36,131.49

Finding the Fourth Proportional to 124,879.95, 187,265.25 and 36,131.49

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Solution

The fourth proportional to 124,879.95, 187,265.25 and 36,131.49 is: 54,181.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,879.95 : 187,265.25 = 36,131.49 : x
  2. Step 2: Convert to fraction form
    124,879.95/187,265.25 = 36,131.49/x
  3. Step 3: Cross multiply
    124,879.95x = 187,265.25 × 36,131.49
  4. Step 4: Simplify right side
    124,879.95x = 6,766,172,507.72
  5. Step 5: Solve for x
    x = 6,766,172,507.72/124,879.95
  6. Step 6: Final answer
    x = 54,181.42

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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.