Home / 166,427.40-249,641.10-83,310.60

Finding the Fourth Proportional to 166,427.40, 249,641.10 and 83,310.60

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Solution

The fourth proportional to 166,427.40, 249,641.10 and 83,310.60 is: 124,965.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,427.40 : 249,641.10 = 83,310.60 : x
  2. Step 2: Convert to fraction form
    166,427.40/249,641.10 = 83,310.60/x
  3. Step 3: Cross multiply
    166,427.40x = 249,641.10 × 83,310.60
  4. Step 4: Simplify right side
    166,427.40x = 20,797,749,825.66
  5. Step 5: Solve for x
    x = 20,797,749,825.66/166,427.40
  6. Step 6: Final answer
    x = 124,965.90

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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.