Home / 166,016.28-229,101.98-90,564.24

Finding the Fourth Proportional to 166,016.28, 229,101.98 and 90,564.24

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Solution

The fourth proportional to 166,016.28, 229,101.98 and 90,564.24 is: 124,978.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,016.28 : 229,101.98 = 90,564.24 : x
  2. Step 2: Convert to fraction form
    166,016.28/229,101.98 = 90,564.24/x
  3. Step 3: Cross multiply
    166,016.28x = 229,101.98 × 90,564.24
  4. Step 4: Simplify right side
    166,016.28x = 20,748,446,701.20
  5. Step 5: Solve for x
    x = 20,748,446,701.20/166,016.28
  6. Step 6: Final answer
    x = 124,978.39

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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.