Home / 166,050.76-249,149.22-87,145.96

Finding the Fourth Proportional to 166,050.76, 249,149.22 and 87,145.96

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Solution

The fourth proportional to 166,050.76, 249,149.22 and 87,145.96 is: 130,757.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,050.76 : 249,149.22 = 87,145.96 : x
  2. Step 2: Convert to fraction form
    166,050.76/249,149.22 = 87,145.96/x
  3. Step 3: Cross multiply
    166,050.76x = 249,149.22 × 87,145.96
  4. Step 4: Simplify right side
    166,050.76x = 21,712,347,960.15
  5. Step 5: Solve for x
    x = 21,712,347,960.15/166,050.76
  6. Step 6: Final answer
    x = 130,757.29

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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.