Home / 175,234.20-262,851.30-128,002.20

Finding the Fourth Proportional to 175,234.20, 262,851.30 and 128,002.20

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Solution

The fourth proportional to 175,234.20, 262,851.30 and 128,002.20 is: 192,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,234.20 : 262,851.30 = 128,002.20 : x
  2. Step 2: Convert to fraction form
    175,234.20/262,851.30 = 128,002.20/x
  3. Step 3: Cross multiply
    175,234.20x = 262,851.30 × 128,002.20
  4. Step 4: Simplify right side
    175,234.20x = 33,645,544,672.86
  5. Step 5: Solve for x
    x = 33,645,544,672.86/175,234.20
  6. Step 6: Final answer
    x = 192,003.30

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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.