Home / 280,034.17-386,476.32-172,601.44

Finding the Fourth Proportional to 280,034.17, 386,476.32 and 172,601.44

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Solution

The fourth proportional to 280,034.17, 386,476.32 and 172,601.44 is: 238,207.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,034.17 : 386,476.32 = 172,601.44 : x
  2. Step 2: Convert to fraction form
    280,034.17/386,476.32 = 172,601.44/x
  3. Step 3: Cross multiply
    280,034.17x = 386,476.32 × 172,601.44
  4. Step 4: Simplify right side
    280,034.17x = 66,706,369,357.90
  5. Step 5: Solve for x
    x = 66,706,369,357.90/280,034.17
  6. Step 6: Final answer
    x = 238,207.96

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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.