Home / 166,442.40-249,145.20-96,112.80

Finding the Fourth Proportional to 166,442.40, 249,145.20 and 96,112.80

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Solution

The fourth proportional to 166,442.40, 249,145.20 and 96,112.80 is: 143,869.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,442.40 : 249,145.20 = 96,112.80 : x
  2. Step 2: Convert to fraction form
    166,442.40/249,145.20 = 96,112.80/x
  3. Step 3: Cross multiply
    166,442.40x = 249,145.20 × 96,112.80
  4. Step 4: Simplify right side
    166,442.40x = 23,946,042,778.56
  5. Step 5: Solve for x
    x = 23,946,042,778.56/166,442.40
  6. Step 6: Final answer
    x = 143,869.85

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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.