Home / 166,351.13-249,598.19-54,065.78

Finding the Fourth Proportional to 166,351.13, 249,598.19 and 54,065.78

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Solution

The fourth proportional to 166,351.13, 249,598.19 and 54,065.78 is: 81,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,351.13 : 249,598.19 = 54,065.78 : x
  2. Step 2: Convert to fraction form
    166,351.13/249,598.19 = 54,065.78/x
  3. Step 3: Cross multiply
    166,351.13x = 249,598.19 × 54,065.78
  4. Step 4: Simplify right side
    166,351.13x = 13,494,719,716.11
  5. Step 5: Solve for x
    x = 13,494,719,716.11/166,351.13
  6. Step 6: Final answer
    x = 81,121.90

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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.