Home / 322,479.12-483,385.16-109,176.45

Finding the Fourth Proportional to 322,479.12, 483,385.16 and 109,176.45

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Solution

The fourth proportional to 322,479.12, 483,385.16 and 109,176.45 is: 163,651.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,479.12 : 483,385.16 = 109,176.45 : x
  2. Step 2: Convert to fraction form
    322,479.12/483,385.16 = 109,176.45/x
  3. Step 3: Cross multiply
    322,479.12x = 483,385.16 × 109,176.45
  4. Step 4: Simplify right side
    322,479.12x = 52,774,275,751.48
  5. Step 5: Solve for x
    x = 52,774,275,751.48/322,479.12
  6. Step 6: Final answer
    x = 163,651.76

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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.