Home / 217,652.16-300,345.33-120,851.04

Finding the Fourth Proportional to 217,652.16, 300,345.33 and 120,851.04

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Solution

The fourth proportional to 217,652.16, 300,345.33 and 120,851.04 is: 166,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,652.16 : 300,345.33 = 120,851.04 : x
  2. Step 2: Convert to fraction form
    217,652.16/300,345.33 = 120,851.04/x
  3. Step 3: Cross multiply
    217,652.16x = 300,345.33 × 120,851.04
  4. Step 4: Simplify right side
    217,652.16x = 36,297,047,069.13
  5. Step 5: Solve for x
    x = 36,297,047,069.13/217,652.16
  6. Step 6: Final answer
    x = 166,766.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.