Home / 170,843.10-256,337.55-82,050.90

Finding the Fourth Proportional to 170,843.10, 256,337.55 and 82,050.90

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Solution

The fourth proportional to 170,843.10, 256,337.55 and 82,050.90 is: 123,111.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,843.10 : 256,337.55 = 82,050.90 : x
  2. Step 2: Convert to fraction form
    170,843.10/256,337.55 = 82,050.90/x
  3. Step 3: Cross multiply
    170,843.10x = 256,337.55 × 82,050.90
  4. Step 4: Simplify right side
    170,843.10x = 21,032,726,681.30
  5. Step 5: Solve for x
    x = 21,032,726,681.30/170,843.10
  6. Step 6: Final answer
    x = 123,111.36

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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.