Home / 192,279.16-265,343.78-111,753.88

Finding the Fourth Proportional to 192,279.16, 265,343.78 and 111,753.88

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Solution

The fourth proportional to 192,279.16, 265,343.78 and 111,753.88 is: 154,219.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,279.16 : 265,343.78 = 111,753.88 : x
  2. Step 2: Convert to fraction form
    192,279.16/265,343.78 = 111,753.88/x
  3. Step 3: Cross multiply
    192,279.16x = 265,343.78 × 111,753.88
  4. Step 4: Simplify right side
    192,279.16x = 29,653,196,948.87
  5. Step 5: Solve for x
    x = 29,653,196,948.87/192,279.16
  6. Step 6: Final answer
    x = 154,219.51

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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.