Home / 127,722.96-191,614.23-38,976.30

Finding the Fourth Proportional to 127,722.96, 191,614.23 and 38,976.30

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Solution

The fourth proportional to 127,722.96, 191,614.23 and 38,976.30 is: 58,473.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,722.96 : 191,614.23 = 38,976.30 : x
  2. Step 2: Convert to fraction form
    127,722.96/191,614.23 = 38,976.30/x
  3. Step 3: Cross multiply
    127,722.96x = 191,614.23 × 38,976.30
  4. Step 4: Simplify right side
    127,722.96x = 7,468,413,712.75
  5. Step 5: Solve for x
    x = 7,468,413,712.75/127,722.96
  6. Step 6: Final answer
    x = 58,473.54

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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.