Home / 113,463.56-156,579.66-63,174.44

Finding the Fourth Proportional to 113,463.56, 156,579.66 and 63,174.44

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Solution

The fourth proportional to 113,463.56, 156,579.66 and 63,174.44 is: 87,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,463.56 : 156,579.66 = 63,174.44 : x
  2. Step 2: Convert to fraction form
    113,463.56/156,579.66 = 63,174.44/x
  3. Step 3: Cross multiply
    113,463.56x = 156,579.66 × 63,174.44
  4. Step 4: Simplify right side
    113,463.56x = 9,891,832,335.89
  5. Step 5: Solve for x
    x = 9,891,832,335.89/113,463.56
  6. Step 6: Final answer
    x = 87,180.70

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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.