Home / 166,727.78-250,016.02-71,913.16

Finding the Fourth Proportional to 166,727.78, 250,016.02 and 71,913.16

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Solution

The fourth proportional to 166,727.78, 250,016.02 and 71,913.16 is: 107,837.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,727.78 : 250,016.02 = 71,913.16 : x
  2. Step 2: Convert to fraction form
    166,727.78/250,016.02 = 71,913.16/x
  3. Step 3: Cross multiply
    166,727.78x = 250,016.02 × 71,913.16
  4. Step 4: Simplify right side
    166,727.78x = 17,979,442,048.82
  5. Step 5: Solve for x
    x = 17,979,442,048.82/166,727.78
  6. Step 6: Final answer
    x = 107,837.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.