Home / 311,746.20-467,619.30-112,073.10

Finding the Fourth Proportional to 311,746.20, 467,619.30 and 112,073.10

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Solution

The fourth proportional to 311,746.20, 467,619.30 and 112,073.10 is: 168,109.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,746.20 : 467,619.30 = 112,073.10 : x
  2. Step 2: Convert to fraction form
    311,746.20/467,619.30 = 112,073.10/x
  3. Step 3: Cross multiply
    311,746.20x = 467,619.30 × 112,073.10
  4. Step 4: Simplify right side
    311,746.20x = 52,407,544,570.83
  5. Step 5: Solve for x
    x = 52,407,544,570.83/311,746.20
  6. Step 6: Final answer
    x = 168,109.65

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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.