Home / 124,839.20-187,431.60-98,573.60

Finding the Fourth Proportional to 124,839.20, 187,431.60 and 98,573.60

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Solution

The fourth proportional to 124,839.20, 187,431.60 and 98,573.60 is: 147,996.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,839.20 : 187,431.60 = 98,573.60 : x
  2. Step 2: Convert to fraction form
    124,839.20/187,431.60 = 98,573.60/x
  3. Step 3: Cross multiply
    124,839.20x = 187,431.60 × 98,573.60
  4. Step 4: Simplify right side
    124,839.20x = 18,475,807,565.76
  5. Step 5: Solve for x
    x = 18,475,807,565.76/124,839.20
  6. Step 6: Final answer
    x = 147,996.84

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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.