Home / 171,766.20-257,576.40-83,046.90

Finding the Fourth Proportional to 171,766.20, 257,576.40 and 83,046.90

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Solution

The fourth proportional to 171,766.20, 257,576.40 and 83,046.90 is: 124,535.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,766.20 : 257,576.40 = 83,046.90 : x
  2. Step 2: Convert to fraction form
    171,766.20/257,576.40 = 83,046.90/x
  3. Step 3: Cross multiply
    171,766.20x = 257,576.40 × 83,046.90
  4. Step 4: Simplify right side
    171,766.20x = 21,390,921,533.16
  5. Step 5: Solve for x
    x = 21,390,921,533.16/171,766.20
  6. Step 6: Final answer
    x = 124,535.10

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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.