Home / 166,360.20-249,540.30-91,451.40

Finding the Fourth Proportional to 166,360.20, 249,540.30 and 91,451.40

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Solution

The fourth proportional to 166,360.20, 249,540.30 and 91,451.40 is: 137,177.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,360.20 : 249,540.30 = 91,451.40 : x
  2. Step 2: Convert to fraction form
    166,360.20/249,540.30 = 91,451.40/x
  3. Step 3: Cross multiply
    166,360.20x = 249,540.30 × 91,451.40
  4. Step 4: Simplify right side
    166,360.20x = 22,820,809,791.42
  5. Step 5: Solve for x
    x = 22,820,809,791.42/166,360.20
  6. Step 6: Final answer
    x = 137,177.10

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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.