Home / 170,885.20-256,327.80-162,331.60

Finding the Fourth Proportional to 170,885.20, 256,327.80 and 162,331.60

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Solution

The fourth proportional to 170,885.20, 256,327.80 and 162,331.60 is: 243,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,885.20 : 256,327.80 = 162,331.60 : x
  2. Step 2: Convert to fraction form
    170,885.20/256,327.80 = 162,331.60/x
  3. Step 3: Cross multiply
    170,885.20x = 256,327.80 × 162,331.60
  4. Step 4: Simplify right side
    170,885.20x = 41,610,101,898.48
  5. Step 5: Solve for x
    x = 41,610,101,898.48/170,885.20
  6. Step 6: Final answer
    x = 243,497.40

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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.