Home / 127,124.92-190,660.38-48,211.48

Finding the Fourth Proportional to 127,124.92, 190,660.38 and 48,211.48

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Solution

The fourth proportional to 127,124.92, 190,660.38 and 48,211.48 is: 72,306.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,124.92 : 190,660.38 = 48,211.48 : x
  2. Step 2: Convert to fraction form
    127,124.92/190,660.38 = 48,211.48/x
  3. Step 3: Cross multiply
    127,124.92x = 190,660.38 × 48,211.48
  4. Step 4: Simplify right side
    127,124.92x = 9,192,019,097.16
  5. Step 5: Solve for x
    x = 9,192,019,097.16/127,124.92
  6. Step 6: Final answer
    x = 72,306.98

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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.