Home / 156,377.76-215,796.06-92,677.74

Finding the Fourth Proportional to 156,377.76, 215,796.06 and 92,677.74

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Solution

The fourth proportional to 156,377.76, 215,796.06 and 92,677.74 is: 127,892.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,377.76 : 215,796.06 = 92,677.74 : x
  2. Step 2: Convert to fraction form
    156,377.76/215,796.06 = 92,677.74/x
  3. Step 3: Cross multiply
    156,377.76x = 215,796.06 × 92,677.74
  4. Step 4: Simplify right side
    156,377.76x = 19,999,491,141.70
  5. Step 5: Solve for x
    x = 19,999,491,141.70/156,377.76
  6. Step 6: Final answer
    x = 127,892.17

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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.