Home / 127,990.02-192,007.82-43,759.55

Finding the Fourth Proportional to 127,990.02, 192,007.82 and 43,759.55

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Solution

The fourth proportional to 127,990.02, 192,007.82 and 43,759.55 is: 65,647.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,990.02 : 192,007.82 = 43,759.55 : x
  2. Step 2: Convert to fraction form
    127,990.02/192,007.82 = 43,759.55/x
  3. Step 3: Cross multiply
    127,990.02x = 192,007.82 × 43,759.55
  4. Step 4: Simplify right side
    127,990.02x = 8,402,175,799.68
  5. Step 5: Solve for x
    x = 8,402,175,799.68/127,990.02
  6. Step 6: Final answer
    x = 65,647.12

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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.