Home / 127,417.46-191,126.80-38,671.73

Finding the Fourth Proportional to 127,417.46, 191,126.80 and 38,671.73

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Solution

The fourth proportional to 127,417.46, 191,126.80 and 38,671.73 is: 58,007.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,417.46 : 191,126.80 = 38,671.73 : x
  2. Step 2: Convert to fraction form
    127,417.46/191,126.80 = 38,671.73/x
  3. Step 3: Cross multiply
    127,417.46x = 191,126.80 × 38,671.73
  4. Step 4: Simplify right side
    127,417.46x = 7,391,204,889.88
  5. Step 5: Solve for x
    x = 7,391,204,889.88/127,417.46
  6. Step 6: Final answer
    x = 58,007.79

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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.