Home / 144,593.07-199,538.40-80,930.88

Finding the Fourth Proportional to 144,593.07, 199,538.40 and 80,930.88

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Solution

The fourth proportional to 144,593.07, 199,538.40 and 80,930.88 is: 111,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,593.07 : 199,538.40 = 80,930.88 : x
  2. Step 2: Convert to fraction form
    144,593.07/199,538.40 = 80,930.88/x
  3. Step 3: Cross multiply
    144,593.07x = 199,538.40 × 80,930.88
  4. Step 4: Simplify right side
    144,593.07x = 16,148,818,609.28
  5. Step 5: Solve for x
    x = 16,148,818,609.28/144,593.07
  6. Step 6: Final answer
    x = 111,684.60

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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.