Home / 144,278.14-199,100.10-80,616.46

Finding the Fourth Proportional to 144,278.14, 199,100.10 and 80,616.46

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Solution

The fourth proportional to 144,278.14, 199,100.10 and 80,616.46 is: 111,248.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,278.14 : 199,100.10 = 80,616.46 : x
  2. Step 2: Convert to fraction form
    144,278.14/199,100.10 = 80,616.46/x
  3. Step 3: Cross multiply
    144,278.14x = 199,100.10 × 80,616.46
  4. Step 4: Simplify right side
    144,278.14x = 16,050,745,247.65
  5. Step 5: Solve for x
    x = 16,050,745,247.65/144,278.14
  6. Step 6: Final answer
    x = 111,248.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.