Home / 127,559.80-191,346.90-38,816.20

Finding the Fourth Proportional to 127,559.80, 191,346.90 and 38,816.20

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Solution

The fourth proportional to 127,559.80, 191,346.90 and 38,816.20 is: 58,226.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,559.80 : 191,346.90 = 38,816.20 : x
  2. Step 2: Convert to fraction form
    127,559.80/191,346.90 = 38,816.20/x
  3. Step 3: Cross multiply
    127,559.80x = 191,346.90 × 38,816.20
  4. Step 4: Simplify right side
    127,559.80x = 7,427,359,539.78
  5. Step 5: Solve for x
    x = 7,427,359,539.78/127,559.80
  6. Step 6: Final answer
    x = 58,226.49

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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.