Home / 166,062.38-229,166.08-90,610.88

Finding the Fourth Proportional to 166,062.38, 229,166.08 and 90,610.88

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Solution

The fourth proportional to 166,062.38, 229,166.08 and 90,610.88 is: 125,043.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,062.38 : 229,166.08 = 90,610.88 : x
  2. Step 2: Convert to fraction form
    166,062.38/229,166.08 = 90,610.88/x
  3. Step 3: Cross multiply
    166,062.38x = 229,166.08 × 90,610.88
  4. Step 4: Simplify right side
    166,062.38x = 20,764,938,802.59
  5. Step 5: Solve for x
    x = 20,764,938,802.59/166,062.38
  6. Step 6: Final answer
    x = 125,043.01

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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.