Home / 277,432.38-382,857.99-156,578.76

Finding the Fourth Proportional to 277,432.38, 382,857.99 and 156,578.76

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Solution

The fourth proportional to 277,432.38, 382,857.99 and 156,578.76 is: 216,079.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,432.38 : 382,857.99 = 156,578.76 : x
  2. Step 2: Convert to fraction form
    277,432.38/382,857.99 = 156,578.76/x
  3. Step 3: Cross multiply
    277,432.38x = 382,857.99 × 156,578.76
  4. Step 4: Simplify right side
    277,432.38x = 59,947,429,330.29
  5. Step 5: Solve for x
    x = 59,947,429,330.29/277,432.38
  6. Step 6: Final answer
    x = 216,079.43

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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.