Home / 127,118.12-175,425.03-73,407.83

Finding the Fourth Proportional to 127,118.12, 175,425.03 and 73,407.83

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Solution

The fourth proportional to 127,118.12, 175,425.03 and 73,407.83 is: 101,303.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,118.12 : 175,425.03 = 73,407.83 : x
  2. Step 2: Convert to fraction form
    127,118.12/175,425.03 = 73,407.83/x
  3. Step 3: Cross multiply
    127,118.12x = 175,425.03 × 73,407.83
  4. Step 4: Simplify right side
    127,118.12x = 12,877,569,902.86
  5. Step 5: Solve for x
    x = 12,877,569,902.86/127,118.12
  6. Step 6: Final answer
    x = 101,303.97

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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.