Home / 128,247.06-192,373.32-44,006.55

Finding the Fourth Proportional to 128,247.06, 192,373.32 and 44,006.55

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Solution

The fourth proportional to 128,247.06, 192,373.32 and 44,006.55 is: 66,010.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,247.06 : 192,373.32 = 44,006.55 : x
  2. Step 2: Convert to fraction form
    128,247.06/192,373.32 = 44,006.55/x
  3. Step 3: Cross multiply
    128,247.06x = 192,373.32 × 44,006.55
  4. Step 4: Simplify right side
    128,247.06x = 8,465,686,125.25
  5. Step 5: Solve for x
    x = 8,465,686,125.25/128,247.06
  6. Step 6: Final answer
    x = 66,010.76

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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.