Home / 127,822.24-176,407.86-76,851.64

Finding the Fourth Proportional to 127,822.24, 176,407.86 and 76,851.64

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Solution

The fourth proportional to 127,822.24, 176,407.86 and 76,851.64 is: 106,063.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,822.24 : 176,407.86 = 76,851.64 : x
  2. Step 2: Convert to fraction form
    127,822.24/176,407.86 = 76,851.64/x
  3. Step 3: Cross multiply
    127,822.24x = 176,407.86 × 76,851.64
  4. Step 4: Simplify right side
    127,822.24x = 13,557,233,349.89
  5. Step 5: Solve for x
    x = 13,557,233,349.89/127,822.24
  6. Step 6: Final answer
    x = 106,063.18

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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.