Home / 127,456.97-191,073.66-48,518.69

Finding the Fourth Proportional to 127,456.97, 191,073.66 and 48,518.69

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Solution

The fourth proportional to 127,456.97, 191,073.66 and 48,518.69 is: 72,735.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,456.97 : 191,073.66 = 48,518.69 : x
  2. Step 2: Convert to fraction form
    127,456.97/191,073.66 = 48,518.69/x
  3. Step 3: Cross multiply
    127,456.97x = 191,073.66 × 48,518.69
  4. Step 4: Simplify right side
    127,456.97x = 9,270,642,721.34
  5. Step 5: Solve for x
    x = 9,270,642,721.34/127,456.97
  6. Step 6: Final answer
    x = 72,735.47

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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.