Home / 127,513.20-192,224.82-118,949.88

Finding the Fourth Proportional to 127,513.20, 192,224.82 and 118,949.88

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Solution

The fourth proportional to 127,513.20, 192,224.82 and 118,949.88 is: 179,315.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,513.20 : 192,224.82 = 118,949.88 : x
  2. Step 2: Convert to fraction form
    127,513.20/192,224.82 = 118,949.88/x
  3. Step 3: Cross multiply
    127,513.20x = 192,224.82 × 118,949.88
  4. Step 4: Simplify right side
    127,513.20x = 22,865,119,272.02
  5. Step 5: Solve for x
    x = 22,865,119,272.02/127,513.20
  6. Step 6: Final answer
    x = 179,315.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.