Home / 124,257.87-187,295.85-113,608.53

Finding the Fourth Proportional to 124,257.87, 187,295.85 and 113,608.53

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Solution

The fourth proportional to 124,257.87, 187,295.85 and 113,608.53 is: 171,243.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,257.87 : 187,295.85 = 113,608.53 : x
  2. Step 2: Convert to fraction form
    124,257.87/187,295.85 = 113,608.53/x
  3. Step 3: Cross multiply
    124,257.87x = 187,295.85 × 113,608.53
  4. Step 4: Simplify right side
    124,257.87x = 21,278,406,193.60
  5. Step 5: Solve for x
    x = 21,278,406,193.60/124,257.87
  6. Step 6: Final answer
    x = 171,243.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.