Home / 108,238.04-162,359.84-51,298.65

Finding the Fourth Proportional to 108,238.04, 162,359.84 and 51,298.65

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Solution

The fourth proportional to 108,238.04, 162,359.84 and 51,298.65 is: 76,949.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,238.04 : 162,359.84 = 51,298.65 : x
  2. Step 2: Convert to fraction form
    108,238.04/162,359.84 = 51,298.65/x
  3. Step 3: Cross multiply
    108,238.04x = 162,359.84 × 51,298.65
  4. Step 4: Simplify right side
    108,238.04x = 8,328,840,734.46
  5. Step 5: Solve for x
    x = 8,328,840,734.46/108,238.04
  6. Step 6: Final answer
    x = 76,949.29

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1.5x scale

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.