Home / 170,982.20-256,473.30-162,817.40

Finding the Fourth Proportional to 170,982.20, 256,473.30 and 162,817.40

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Solution

The fourth proportional to 170,982.20, 256,473.30 and 162,817.40 is: 244,226.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,982.20 : 256,473.30 = 162,817.40 : x
  2. Step 2: Convert to fraction form
    170,982.20/256,473.30 = 162,817.40/x
  3. Step 3: Cross multiply
    170,982.20x = 256,473.30 × 162,817.40
  4. Step 4: Simplify right side
    170,982.20x = 41,758,315,875.42
  5. Step 5: Solve for x
    x = 41,758,315,875.42/170,982.20
  6. Step 6: Final answer
    x = 244,226.10

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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.