Home / 170,817.10-256,298.55-82,024.90

Finding the Fourth Proportional to 170,817.10, 256,298.55 and 82,024.90

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Solution

The fourth proportional to 170,817.10, 256,298.55 and 82,024.90 is: 123,072.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,817.10 : 256,298.55 = 82,024.90 : x
  2. Step 2: Convert to fraction form
    170,817.10/256,298.55 = 82,024.90/x
  3. Step 3: Cross multiply
    170,817.10x = 256,298.55 × 82,024.90
  4. Step 4: Simplify right side
    170,817.10x = 21,022,862,933.90
  5. Step 5: Solve for x
    x = 21,022,862,933.90/170,817.10
  6. Step 6: Final answer
    x = 123,072.36

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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.