Home / 166,087.19-249,010.10-66,217.43

Finding the Fourth Proportional to 166,087.19, 249,010.10 and 66,217.43

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Solution

The fourth proportional to 166,087.19, 249,010.10 and 66,217.43 is: 99,278.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,087.19 : 249,010.10 = 66,217.43 : x
  2. Step 2: Convert to fraction form
    166,087.19/249,010.10 = 66,217.43/x
  3. Step 3: Cross multiply
    166,087.19x = 249,010.10 × 66,217.43
  4. Step 4: Simplify right side
    166,087.19x = 16,488,809,405.80
  5. Step 5: Solve for x
    x = 16,488,809,405.80/166,087.19
  6. Step 6: Final answer
    x = 99,278.03

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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.