Home / 288,983.20-433,542.48-120,613.60

Finding the Fourth Proportional to 288,983.20, 433,542.48 and 120,613.60

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Solution

The fourth proportional to 288,983.20, 433,542.48 and 120,613.60 is: 180,948.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,983.20 : 433,542.48 = 120,613.60 : x
  2. Step 2: Convert to fraction form
    288,983.20/433,542.48 = 120,613.60/x
  3. Step 3: Cross multiply
    288,983.20x = 433,542.48 × 120,613.60
  4. Step 4: Simplify right side
    288,983.20x = 52,291,119,265.73
  5. Step 5: Solve for x
    x = 52,291,119,265.73/288,983.20
  6. Step 6: Final answer
    x = 180,948.65

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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.