Home / 288,727.08-433,164.35-120,191.38

Finding the Fourth Proportional to 288,727.08, 433,164.35 and 120,191.38

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Solution

The fourth proportional to 288,727.08, 433,164.35 and 120,191.38 is: 180,317.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,727.08 : 433,164.35 = 120,191.38 : x
  2. Step 2: Convert to fraction form
    288,727.08/433,164.35 = 120,191.38/x
  3. Step 3: Cross multiply
    288,727.08x = 433,164.35 × 120,191.38
  4. Step 4: Simplify right side
    288,727.08x = 52,062,620,993.30
  5. Step 5: Solve for x
    x = 52,062,620,993.30/288,727.08
  6. Step 6: Final answer
    x = 180,317.76

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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.