Home / 127,621.22-191,441.55-38,882.30

Finding the Fourth Proportional to 127,621.22, 191,441.55 and 38,882.30

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Solution

The fourth proportional to 127,621.22, 191,441.55 and 38,882.30 is: 58,326.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,621.22 : 191,441.55 = 38,882.30 : x
  2. Step 2: Convert to fraction form
    127,621.22/191,441.55 = 38,882.30/x
  3. Step 3: Cross multiply
    127,621.22x = 191,441.55 × 38,882.30
  4. Step 4: Simplify right side
    127,621.22x = 7,443,687,779.57
  5. Step 5: Solve for x
    x = 7,443,687,779.57/127,621.22
  6. Step 6: Final answer
    x = 58,326.41

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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.