Home / 170,164.20-255,246.30-161,999.40

Finding the Fourth Proportional to 170,164.20, 255,246.30 and 161,999.40

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Solution

The fourth proportional to 170,164.20, 255,246.30 and 161,999.40 is: 242,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,164.20 : 255,246.30 = 161,999.40 : x
  2. Step 2: Convert to fraction form
    170,164.20/255,246.30 = 161,999.40/x
  3. Step 3: Cross multiply
    170,164.20x = 255,246.30 × 161,999.40
  4. Step 4: Simplify right side
    170,164.20x = 41,349,747,452.22
  5. Step 5: Solve for x
    x = 41,349,747,452.22/170,164.20
  6. Step 6: Final answer
    x = 242,999.10

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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.