Home / 166,357.97-249,445.76-81,932.48

Finding the Fourth Proportional to 166,357.97, 249,445.76 and 81,932.48

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Solution

The fourth proportional to 166,357.97, 249,445.76 and 81,932.48 is: 122,853.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,357.97 : 249,445.76 = 81,932.48 : x
  2. Step 2: Convert to fraction form
    166,357.97/249,445.76 = 81,932.48/x
  3. Step 3: Cross multiply
    166,357.97x = 249,445.76 × 81,932.48
  4. Step 4: Simplify right side
    166,357.97x = 20,437,708,085.39
  5. Step 5: Solve for x
    x = 20,437,708,085.39/166,357.97
  6. Step 6: Final answer
    x = 122,853.80

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1.5x scale

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.