Home / 166,078.20-249,117.30-41,419.20

Finding the Fourth Proportional to 166,078.20, 249,117.30 and 41,419.20

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Solution

The fourth proportional to 166,078.20, 249,117.30 and 41,419.20 is: 62,128.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,078.20 : 249,117.30 = 41,419.20 : x
  2. Step 2: Convert to fraction form
    166,078.20/249,117.30 = 41,419.20/x
  3. Step 3: Cross multiply
    166,078.20x = 249,117.30 × 41,419.20
  4. Step 4: Simplify right side
    166,078.20x = 10,318,239,272.16
  5. Step 5: Solve for x
    x = 10,318,239,272.16/166,078.20
  6. Step 6: Final answer
    x = 62,128.80

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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.