Home / 127,104.60-175,331.46-79,274.92

Finding the Fourth Proportional to 127,104.60, 175,331.46 and 79,274.92

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Solution

The fourth proportional to 127,104.60, 175,331.46 and 79,274.92 is: 109,353.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,104.60 : 175,331.46 = 79,274.92 : x
  2. Step 2: Convert to fraction form
    127,104.60/175,331.46 = 79,274.92/x
  3. Step 3: Cross multiply
    127,104.60x = 175,331.46 × 79,274.92
  4. Step 4: Simplify right side
    127,104.60x = 13,899,387,464.98
  5. Step 5: Solve for x
    x = 13,899,387,464.98/127,104.60
  6. Step 6: Final answer
    x = 109,353.93

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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.