Home / 144,587.76-199,530.90-80,937.78

Finding the Fourth Proportional to 144,587.76, 199,530.90 and 80,937.78

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Solution

The fourth proportional to 144,587.76, 199,530.90 and 80,937.78 is: 111,694.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,587.76 : 199,530.90 = 80,937.78 : x
  2. Step 2: Convert to fraction form
    144,587.76/199,530.90 = 80,937.78/x
  3. Step 3: Cross multiply
    144,587.76x = 199,530.90 × 80,937.78
  4. Step 4: Simplify right side
    144,587.76x = 16,149,588,087.40
  5. Step 5: Solve for x
    x = 16,149,588,087.40/144,587.76
  6. Step 6: Final answer
    x = 111,694.02

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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.