Home / 215,072.28-296,798.10-119,578.14

Finding the Fourth Proportional to 215,072.28, 296,798.10 and 119,578.14

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Solution

The fourth proportional to 215,072.28, 296,798.10 and 119,578.14 is: 165,016.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,072.28 : 296,798.10 = 119,578.14 : x
  2. Step 2: Convert to fraction form
    215,072.28/296,798.10 = 119,578.14/x
  3. Step 3: Cross multiply
    215,072.28x = 296,798.10 × 119,578.14
  4. Step 4: Simplify right side
    215,072.28x = 35,490,564,753.53
  5. Step 5: Solve for x
    x = 35,490,564,753.53/215,072.28
  6. Step 6: Final answer
    x = 165,016.92

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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.