Home / 144,295.12-199,126.94-80,632.92

Finding the Fourth Proportional to 144,295.12, 199,126.94 and 80,632.92

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Solution

The fourth proportional to 144,295.12, 199,126.94 and 80,632.92 is: 111,273.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,295.12 : 199,126.94 = 80,632.92 : x
  2. Step 2: Convert to fraction form
    144,295.12/199,126.94 = 80,632.92/x
  3. Step 3: Cross multiply
    144,295.12x = 199,126.94 × 80,632.92
  4. Step 4: Simplify right side
    144,295.12x = 16,056,186,824.45
  5. Step 5: Solve for x
    x = 16,056,186,824.45/144,295.12
  6. Step 6: Final answer
    x = 111,273.25

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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.