Home / 113,180.64-156,186.48-62,879.76

Finding the Fourth Proportional to 113,180.64, 156,186.48 and 62,879.76

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Solution

The fourth proportional to 113,180.64, 156,186.48 and 62,879.76 is: 86,772.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,180.64 : 156,186.48 = 62,879.76 : x
  2. Step 2: Convert to fraction form
    113,180.64/156,186.48 = 62,879.76/x
  3. Step 3: Cross multiply
    113,180.64x = 156,186.48 × 62,879.76
  4. Step 4: Simplify right side
    113,180.64x = 9,820,968,377.64
  5. Step 5: Solve for x
    x = 9,820,968,377.64/113,180.64
  6. Step 6: Final answer
    x = 86,772.51

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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.