Home / 356,966.12-535,451.03-120,310.85

Finding the Fourth Proportional to 356,966.12, 535,451.03 and 120,310.85

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Solution

The fourth proportional to 356,966.12, 535,451.03 and 120,310.85 is: 180,466.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,966.12 : 535,451.03 = 120,310.85 : x
  2. Step 2: Convert to fraction form
    356,966.12/535,451.03 = 120,310.85/x
  3. Step 3: Cross multiply
    356,966.12x = 535,451.03 × 120,310.85
  4. Step 4: Simplify right side
    356,966.12x = 64,420,568,552.68
  5. Step 5: Solve for x
    x = 64,420,568,552.68/356,966.12
  6. Step 6: Final answer
    x = 180,466.90

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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.