Home / 291,557.20-437,508.60-192,002.80

Finding the Fourth Proportional to 291,557.20, 437,508.60 and 192,002.80

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Solution

The fourth proportional to 291,557.20, 437,508.60 and 192,002.80 is: 288,118.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,557.20 : 437,508.60 = 192,002.80 : x
  2. Step 2: Convert to fraction form
    291,557.20/437,508.60 = 192,002.80/x
  3. Step 3: Cross multiply
    291,557.20x = 437,508.60 × 192,002.80
  4. Step 4: Simplify right side
    291,557.20x = 84,002,876,224.08
  5. Step 5: Solve for x
    x = 84,002,876,224.08/291,557.20
  6. Step 6: Final answer
    x = 288,118.00

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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.