Home / 127,484.12-191,226.14-38,737.32

Finding the Fourth Proportional to 127,484.12, 191,226.14 and 38,737.32

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Solution

The fourth proportional to 127,484.12, 191,226.14 and 38,737.32 is: 58,105.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,484.12 : 191,226.14 = 38,737.32 : x
  2. Step 2: Convert to fraction form
    127,484.12/191,226.14 = 38,737.32/x
  3. Step 3: Cross multiply
    127,484.12x = 191,226.14 × 38,737.32
  4. Step 4: Simplify right side
    127,484.12x = 7,407,588,177.54
  5. Step 5: Solve for x
    x = 7,407,588,177.54/127,484.12
  6. Step 6: Final answer
    x = 58,105.97

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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.