Home / 127,346.86-175,728.38-73,635.36

Finding the Fourth Proportional to 127,346.86, 175,728.38 and 73,635.36

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Solution

The fourth proportional to 127,346.86, 175,728.38 and 73,635.36 is: 101,610.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,346.86 : 175,728.38 = 73,635.36 : x
  2. Step 2: Convert to fraction form
    127,346.86/175,728.38 = 73,635.36/x
  3. Step 3: Cross multiply
    127,346.86x = 175,728.38 × 73,635.36
  4. Step 4: Simplify right side
    127,346.86x = 12,939,822,523.52
  5. Step 5: Solve for x
    x = 12,939,822,523.52/127,346.86
  6. Step 6: Final answer
    x = 101,610.85

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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.