Home / 110,947.40-166,421.10-92,248.55

Finding the Fourth Proportional to 110,947.40, 166,421.10 and 92,248.55

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Solution

The fourth proportional to 110,947.40, 166,421.10 and 92,248.55 is: 138,372.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,947.40 : 166,421.10 = 92,248.55 : x
  2. Step 2: Convert to fraction form
    110,947.40/166,421.10 = 92,248.55/x
  3. Step 3: Cross multiply
    110,947.40x = 166,421.10 × 92,248.55
  4. Step 4: Simplify right side
    110,947.40x = 15,352,105,164.41
  5. Step 5: Solve for x
    x = 15,352,105,164.41/110,947.40
  6. Step 6: Final answer
    x = 138,372.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.