Home / 166,421.28-229,677.45-98,460.09

Finding the Fourth Proportional to 166,421.28, 229,677.45 and 98,460.09

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Solution

The fourth proportional to 166,421.28, 229,677.45 and 98,460.09 is: 135,884.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,421.28 : 229,677.45 = 98,460.09 : x
  2. Step 2: Convert to fraction form
    166,421.28/229,677.45 = 98,460.09/x
  3. Step 3: Cross multiply
    166,421.28x = 229,677.45 × 98,460.09
  4. Step 4: Simplify right side
    166,421.28x = 22,614,062,397.97
  5. Step 5: Solve for x
    x = 22,614,062,397.97/166,421.28
  6. Step 6: Final answer
    x = 135,884.44

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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.