Home / 127,221.91-175,597.77-73,540.37

Finding the Fourth Proportional to 127,221.91, 175,597.77 and 73,540.37

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Solution

The fourth proportional to 127,221.91, 175,597.77 and 73,540.37 is: 101,503.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,221.91 : 175,597.77 = 73,540.37 : x
  2. Step 2: Convert to fraction form
    127,221.91/175,597.77 = 73,540.37/x
  3. Step 3: Cross multiply
    127,221.91x = 175,597.77 × 73,540.37
  4. Step 4: Simplify right side
    127,221.91x = 12,913,525,691.75
  5. Step 5: Solve for x
    x = 12,913,525,691.75/127,221.91
  6. Step 6: Final answer
    x = 101,503.95

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1.5x scale

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.