Home / 144,426.46-199,327.08-80,767.84

Finding the Fourth Proportional to 144,426.46, 199,327.08 and 80,767.84

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Solution

The fourth proportional to 144,426.46, 199,327.08 and 80,767.84 is: 111,470.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,426.46 : 199,327.08 = 80,767.84 : x
  2. Step 2: Convert to fraction form
    144,426.46/199,327.08 = 80,767.84/x
  3. Step 3: Cross multiply
    144,426.46x = 199,327.08 × 80,767.84
  4. Step 4: Simplify right side
    144,426.46x = 16,099,217,705.11
  5. Step 5: Solve for x
    x = 16,099,217,705.11/144,426.46
  6. Step 6: Final answer
    x = 111,470.00

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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.