Home / 118,481.02-176,964.89-107,218.90

Finding the Fourth Proportional to 118,481.02, 176,964.89 and 107,218.90

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Solution

The fourth proportional to 118,481.02, 176,964.89 and 107,218.90 is: 160,143.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,481.02 : 176,964.89 = 107,218.90 : x
  2. Step 2: Convert to fraction form
    118,481.02/176,964.89 = 107,218.90/x
  3. Step 3: Cross multiply
    118,481.02x = 176,964.89 × 107,218.90
  4. Step 4: Simplify right side
    118,481.02x = 18,973,980,844.42
  5. Step 5: Solve for x
    x = 18,973,980,844.42/118,481.02
  6. Step 6: Final answer
    x = 160,143.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.