Home / 127,932.18-176,546.70-71,347.20

Finding the Fourth Proportional to 127,932.18, 176,546.70 and 71,347.20

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Solution

The fourth proportional to 127,932.18, 176,546.70 and 71,347.20 is: 98,459.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,932.18 : 176,546.70 = 71,347.20 : x
  2. Step 2: Convert to fraction form
    127,932.18/176,546.70 = 71,347.20/x
  3. Step 3: Cross multiply
    127,932.18x = 176,546.70 × 71,347.20
  4. Step 4: Simplify right side
    127,932.18x = 12,596,112,714.24
  5. Step 5: Solve for x
    x = 12,596,112,714.24/127,932.18
  6. Step 6: Final answer
    x = 98,459.30

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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.