Home / 124,743.60-187,232.85-65,621.70

Finding the Fourth Proportional to 124,743.60, 187,232.85 and 65,621.70

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Solution

The fourth proportional to 124,743.60, 187,232.85 and 65,621.70 is: 98,494.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,743.60 : 187,232.85 = 65,621.70 : x
  2. Step 2: Convert to fraction form
    124,743.60/187,232.85 = 65,621.70/x
  3. Step 3: Cross multiply
    124,743.60x = 187,232.85 × 65,621.70
  4. Step 4: Simplify right side
    124,743.60x = 12,286,537,912.85
  5. Step 5: Solve for x
    x = 12,286,537,912.85/124,743.60
  6. Step 6: Final answer
    x = 98,494.33

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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.