Home / 381,747.80-572,494.55-153,984.59

Finding the Fourth Proportional to 381,747.80, 572,494.55 and 153,984.59

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Solution

The fourth proportional to 381,747.80, 572,494.55 and 153,984.59 is: 230,925.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,747.80 : 572,494.55 = 153,984.59 : x
  2. Step 2: Convert to fraction form
    381,747.80/572,494.55 = 153,984.59/x
  3. Step 3: Cross multiply
    381,747.80x = 572,494.55 × 153,984.59
  4. Step 4: Simplify right side
    381,747.80x = 88,155,339,220.30
  5. Step 5: Solve for x
    x = 88,155,339,220.30/381,747.80
  6. Step 6: Final answer
    x = 230,925.60

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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.