Home / 280,555.38-386,952.12-178,597.44

Finding the Fourth Proportional to 280,555.38, 386,952.12 and 178,597.44

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Solution

The fourth proportional to 280,555.38, 386,952.12 and 178,597.44 is: 246,328.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,555.38 : 386,952.12 = 178,597.44 : x
  2. Step 2: Convert to fraction form
    280,555.38/386,952.12 = 178,597.44/x
  3. Step 3: Cross multiply
    280,555.38x = 386,952.12 × 178,597.44
  4. Step 4: Simplify right side
    280,555.38x = 69,108,658,034.57
  5. Step 5: Solve for x
    x = 69,108,658,034.57/280,555.38
  6. Step 6: Final answer
    x = 246,328.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.