Home / 170,799.10-256,271.55-82,006.90

Finding the Fourth Proportional to 170,799.10, 256,271.55 and 82,006.90

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Solution

The fourth proportional to 170,799.10, 256,271.55 and 82,006.90 is: 123,045.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,799.10 : 256,271.55 = 82,006.90 : x
  2. Step 2: Convert to fraction form
    170,799.10/256,271.55 = 82,006.90/x
  3. Step 3: Cross multiply
    170,799.10x = 256,271.55 × 82,006.90
  4. Step 4: Simplify right side
    170,799.10x = 21,016,035,373.70
  5. Step 5: Solve for x
    x = 21,016,035,373.70/170,799.10
  6. Step 6: Final answer
    x = 123,045.35

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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.