Home / 166,972.08-230,445.10-103,330.38

Finding the Fourth Proportional to 166,972.08, 230,445.10 and 103,330.38

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Solution

The fourth proportional to 166,972.08, 230,445.10 and 103,330.38 is: 142,610.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,972.08 : 230,445.10 = 103,330.38 : x
  2. Step 2: Convert to fraction form
    166,972.08/230,445.10 = 103,330.38/x
  3. Step 3: Cross multiply
    166,972.08x = 230,445.10 × 103,330.38
  4. Step 4: Simplify right side
    166,972.08x = 23,811,979,752.14
  5. Step 5: Solve for x
    x = 23,811,979,752.14/166,972.08
  6. Step 6: Final answer
    x = 142,610.55

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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.