Home / 124,877.20-187,315.80-124,099.60

Finding the Fourth Proportional to 124,877.20, 187,315.80 and 124,099.60

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Solution

The fourth proportional to 124,877.20, 187,315.80 and 124,099.60 is: 186,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,877.20 : 187,315.80 = 124,099.60 : x
  2. Step 2: Convert to fraction form
    124,877.20/187,315.80 = 124,099.60/x
  3. Step 3: Cross multiply
    124,877.20x = 187,315.80 × 124,099.60
  4. Step 4: Simplify right side
    124,877.20x = 23,245,815,853.68
  5. Step 5: Solve for x
    x = 23,245,815,853.68/124,877.20
  6. Step 6: Final answer
    x = 186,149.40

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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.