Home / 128,443.47-192,617.41-44,179.98

Finding the Fourth Proportional to 128,443.47, 192,617.41 and 44,179.98

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Solution

The fourth proportional to 128,443.47, 192,617.41 and 44,179.98 is: 66,253.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,443.47 : 192,617.41 = 44,179.98 : x
  2. Step 2: Convert to fraction form
    128,443.47/192,617.41 = 44,179.98/x
  3. Step 3: Cross multiply
    128,443.47x = 192,617.41 × 44,179.98
  4. Step 4: Simplify right side
    128,443.47x = 8,509,833,321.45
  5. Step 5: Solve for x
    x = 8,509,833,321.45/128,443.47
  6. Step 6: Final answer
    x = 66,253.53

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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.