Home / 127,808.56-176,376.51-74,125.41

Finding the Fourth Proportional to 127,808.56, 176,376.51 and 74,125.41

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Solution

The fourth proportional to 127,808.56, 176,376.51 and 74,125.41 is: 102,293.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,808.56 : 176,376.51 = 74,125.41 : x
  2. Step 2: Convert to fraction form
    127,808.56/176,376.51 = 74,125.41/x
  3. Step 3: Cross multiply
    127,808.56x = 176,376.51 × 74,125.41
  4. Step 4: Simplify right side
    127,808.56x = 13,073,981,118.12
  5. Step 5: Solve for x
    x = 13,073,981,118.12/127,808.56
  6. Step 6: Final answer
    x = 102,293.47

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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.