Home / 144,587.87-199,531.23-80,925.68

Finding the Fourth Proportional to 144,587.87, 199,531.23 and 80,925.68

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Solution

The fourth proportional to 144,587.87, 199,531.23 and 80,925.68 is: 111,677.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,587.87 : 199,531.23 = 80,925.68 : x
  2. Step 2: Convert to fraction form
    144,587.87/199,531.23 = 80,925.68/x
  3. Step 3: Cross multiply
    144,587.87x = 199,531.23 × 80,925.68
  4. Step 4: Simplify right side
    144,587.87x = 16,147,199,471.33
  5. Step 5: Solve for x
    x = 16,147,199,471.33/144,587.87
  6. Step 6: Final answer
    x = 111,677.42

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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.