Home / 144,620.24-199,580.10-80,957.68

Finding the Fourth Proportional to 144,620.24, 199,580.10 and 80,957.68

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Solution

The fourth proportional to 144,620.24, 199,580.10 and 80,957.68 is: 111,723.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,620.24 : 199,580.10 = 80,957.68 : x
  2. Step 2: Convert to fraction form
    144,620.24/199,580.10 = 80,957.68/x
  3. Step 3: Cross multiply
    144,620.24x = 199,580.10 × 80,957.68
  4. Step 4: Simplify right side
    144,620.24x = 16,157,541,870.17
  5. Step 5: Solve for x
    x = 16,157,541,870.17/144,620.24
  6. Step 6: Final answer
    x = 111,723.93

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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.