Home / 170,862.20-256,293.30-162,308.60

Finding the Fourth Proportional to 170,862.20, 256,293.30 and 162,308.60

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Solution

The fourth proportional to 170,862.20, 256,293.30 and 162,308.60 is: 243,462.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,862.20 : 256,293.30 = 162,308.60 : x
  2. Step 2: Convert to fraction form
    170,862.20/256,293.30 = 162,308.60/x
  3. Step 3: Cross multiply
    170,862.20x = 256,293.30 × 162,308.60
  4. Step 4: Simplify right side
    170,862.20x = 41,598,606,712.38
  5. Step 5: Solve for x
    x = 41,598,606,712.38/170,862.20
  6. Step 6: Final answer
    x = 243,462.90

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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.