Home / 144,338.16-199,186.08-80,675.88

Finding the Fourth Proportional to 144,338.16, 199,186.08 and 80,675.88

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Solution

The fourth proportional to 144,338.16, 199,186.08 and 80,675.88 is: 111,332.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,338.16 : 199,186.08 = 80,675.88 : x
  2. Step 2: Convert to fraction form
    144,338.16/199,186.08 = 80,675.88/x
  3. Step 3: Cross multiply
    144,338.16x = 199,186.08 × 80,675.88
  4. Step 4: Simplify right side
    144,338.16x = 16,069,512,287.75
  5. Step 5: Solve for x
    x = 16,069,512,287.75/144,338.16
  6. Step 6: Final answer
    x = 111,332.39

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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.