Home / 127,565.94-191,376.45-38,826.39

Finding the Fourth Proportional to 127,565.94, 191,376.45 and 38,826.39

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Solution

The fourth proportional to 127,565.94, 191,376.45 and 38,826.39 is: 58,247.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,565.94 : 191,376.45 = 38,826.39 : x
  2. Step 2: Convert to fraction form
    127,565.94/191,376.45 = 38,826.39/x
  3. Step 3: Cross multiply
    127,565.94x = 191,376.45 × 38,826.39
  4. Step 4: Simplify right side
    127,565.94x = 7,430,456,684.52
  5. Step 5: Solve for x
    x = 7,430,456,684.52/127,565.94
  6. Step 6: Final answer
    x = 58,247.97

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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.