Home / 166,921.11-230,267.15-109,552.48

Finding the Fourth Proportional to 166,921.11, 230,267.15 and 109,552.48

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Solution

The fourth proportional to 166,921.11, 230,267.15 and 109,552.48 is: 151,127.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,921.11 : 230,267.15 = 109,552.48 : x
  2. Step 2: Convert to fraction form
    166,921.11/230,267.15 = 109,552.48/x
  3. Step 3: Cross multiply
    166,921.11x = 230,267.15 × 109,552.48
  4. Step 4: Simplify right side
    166,921.11x = 25,226,336,632.42
  5. Step 5: Solve for x
    x = 25,226,336,632.42/166,921.11
  6. Step 6: Final answer
    x = 151,127.30

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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.