Home / 167,557.65-231,230.95-91,076.74

Finding the Fourth Proportional to 167,557.65, 231,230.95 and 91,076.74

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Solution

The fourth proportional to 167,557.65, 231,230.95 and 91,076.74 is: 125,686.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,557.65 : 231,230.95 = 91,076.74 : x
  2. Step 2: Convert to fraction form
    167,557.65/231,230.95 = 91,076.74/x
  3. Step 3: Cross multiply
    167,557.65x = 231,230.95 × 91,076.74
  4. Step 4: Simplify right side
    167,557.65x = 21,059,761,113.10
  5. Step 5: Solve for x
    x = 21,059,761,113.10/167,557.65
  6. Step 6: Final answer
    x = 125,686.66

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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.