Home / 206,869.10-310,340.10-73,826.60

Finding the Fourth Proportional to 206,869.10, 310,340.10 and 73,826.60

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Solution

The fourth proportional to 206,869.10, 310,340.10 and 73,826.60 is: 110,752.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,869.10 : 310,340.10 = 73,826.60 : x
  2. Step 2: Convert to fraction form
    206,869.10/310,340.10 = 73,826.60/x
  3. Step 3: Cross multiply
    206,869.10x = 310,340.10 × 73,826.60
  4. Step 4: Simplify right side
    206,869.10x = 22,911,354,426.66
  5. Step 5: Solve for x
    x = 22,911,354,426.66/206,869.10
  6. Step 6: Final answer
    x = 110,752.91

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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.