Home / 166,424.10-249,344.55-136,680.90

Finding the Fourth Proportional to 166,424.10, 249,344.55 and 136,680.90

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Solution

The fourth proportional to 166,424.10, 249,344.55 and 136,680.90 is: 204,781.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,424.10 : 249,344.55 = 136,680.90 : x
  2. Step 2: Convert to fraction form
    166,424.10/249,344.55 = 136,680.90/x
  3. Step 3: Cross multiply
    166,424.10x = 249,344.55 × 136,680.90
  4. Step 4: Simplify right side
    166,424.10x = 34,080,637,504.10
  5. Step 5: Solve for x
    x = 34,080,637,504.10/166,424.10
  6. Step 6: Final answer
    x = 204,781.86

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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.