Home / 127,613.20-191,422.20-55,558.84

Finding the Fourth Proportional to 127,613.20, 191,422.20 and 55,558.84

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Solution

The fourth proportional to 127,613.20, 191,422.20 and 55,558.84 is: 83,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,613.20 : 191,422.20 = 55,558.84 : x
  2. Step 2: Convert to fraction form
    127,613.20/191,422.20 = 55,558.84/x
  3. Step 3: Cross multiply
    127,613.20x = 191,422.20 × 55,558.84
  4. Step 4: Simplify right side
    127,613.20x = 10,635,195,382.25
  5. Step 5: Solve for x
    x = 10,635,195,382.25/127,613.20
  6. Step 6: Final answer
    x = 83,339.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.