Home / 295,220.10-442,830.15-108,207.30

Finding the Fourth Proportional to 295,220.10, 442,830.15 and 108,207.30

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Solution

The fourth proportional to 295,220.10, 442,830.15 and 108,207.30 is: 162,310.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,220.10 : 442,830.15 = 108,207.30 : x
  2. Step 2: Convert to fraction form
    295,220.10/442,830.15 = 108,207.30/x
  3. Step 3: Cross multiply
    295,220.10x = 442,830.15 × 108,207.30
  4. Step 4: Simplify right side
    295,220.10x = 47,917,454,890.10
  5. Step 5: Solve for x
    x = 47,917,454,890.10/295,220.10
  6. Step 6: Final answer
    x = 162,310.95

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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.