Home / 482,045.18-723,115.72-178,520.56

Finding the Fourth Proportional to 482,045.18, 723,115.72 and 178,520.56

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Solution

The fourth proportional to 482,045.18, 723,115.72 and 178,520.56 is: 267,798.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,045.18 : 723,115.72 = 178,520.56 : x
  2. Step 2: Convert to fraction form
    482,045.18/723,115.72 = 178,520.56/x
  3. Step 3: Cross multiply
    482,045.18x = 723,115.72 × 178,520.56
  4. Step 4: Simplify right side
    482,045.18x = 129,091,020,941.43
  5. Step 5: Solve for x
    x = 129,091,020,941.43/482,045.18
  6. Step 6: Final answer
    x = 267,798.60

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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.