Home / 144,297.19-199,127.18-79,769.15

Finding the Fourth Proportional to 144,297.19, 199,127.18 and 79,769.15

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Solution

The fourth proportional to 144,297.19, 199,127.18 and 79,769.15 is: 110,079.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,297.19 : 199,127.18 = 79,769.15 : x
  2. Step 2: Convert to fraction form
    144,297.19/199,127.18 = 79,769.15/x
  3. Step 3: Cross multiply
    144,297.19x = 199,127.18 × 79,769.15
  4. Step 4: Simplify right side
    144,297.19x = 15,884,204,496.02
  5. Step 5: Solve for x
    x = 15,884,204,496.02/144,297.19
  6. Step 6: Final answer
    x = 110,079.79

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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.