Home / 166,696.28-230,031.96-91,230.20

Finding the Fourth Proportional to 166,696.28, 230,031.96 and 91,230.20

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Solution

The fourth proportional to 166,696.28, 230,031.96 and 91,230.20 is: 125,892.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,696.28 : 230,031.96 = 91,230.20 : x
  2. Step 2: Convert to fraction form
    166,696.28/230,031.96 = 91,230.20/x
  3. Step 3: Cross multiply
    166,696.28x = 230,031.96 × 91,230.20
  4. Step 4: Simplify right side
    166,696.28x = 20,985,861,717.19
  5. Step 5: Solve for x
    x = 20,985,861,717.19/166,696.28
  6. Step 6: Final answer
    x = 125,892.80

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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.