Home / 170,344.72-255,563.16-65,167.12

Finding the Fourth Proportional to 170,344.72, 255,563.16 and 65,167.12

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Solution

The fourth proportional to 170,344.72, 255,563.16 and 65,167.12 is: 97,768.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,344.72 : 255,563.16 = 65,167.12 : x
  2. Step 2: Convert to fraction form
    170,344.72/255,563.16 = 65,167.12/x
  3. Step 3: Cross multiply
    170,344.72x = 255,563.16 × 65,167.12
  4. Step 4: Simplify right side
    170,344.72x = 16,654,315,115.30
  5. Step 5: Solve for x
    x = 16,654,315,115.30/170,344.72
  6. Step 6: Final answer
    x = 97,768.31

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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.