Home / 127,787.16-176,342.22-80,066.28

Finding the Fourth Proportional to 127,787.16, 176,342.22 and 80,066.28

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Solution

The fourth proportional to 127,787.16, 176,342.22 and 80,066.28 is: 110,488.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,787.16 : 176,342.22 = 80,066.28 : x
  2. Step 2: Convert to fraction form
    127,787.16/176,342.22 = 80,066.28/x
  3. Step 3: Cross multiply
    127,787.16x = 176,342.22 × 80,066.28
  4. Step 4: Simplify right side
    127,787.16x = 14,119,065,562.34
  5. Step 5: Solve for x
    x = 14,119,065,562.34/127,787.16
  6. Step 6: Final answer
    x = 110,488.92

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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.