Home / 332,136.80-498,205.20-121,747.40

Finding the Fourth Proportional to 332,136.80, 498,205.20 and 121,747.40

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Solution

The fourth proportional to 332,136.80, 498,205.20 and 121,747.40 is: 182,621.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,136.80 : 498,205.20 = 121,747.40 : x
  2. Step 2: Convert to fraction form
    332,136.80/498,205.20 = 121,747.40/x
  3. Step 3: Cross multiply
    332,136.80x = 498,205.20 × 121,747.40
  4. Step 4: Simplify right side
    332,136.80x = 60,655,187,766.48
  5. Step 5: Solve for x
    x = 60,655,187,766.48/332,136.80
  6. Step 6: Final answer
    x = 182,621.10

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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.