Home / 215,633.16-323,387.46-73,475.28

Finding the Fourth Proportional to 215,633.16, 323,387.46 and 73,475.28

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Solution

The fourth proportional to 215,633.16, 323,387.46 and 73,475.28 is: 110,191.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,633.16 : 323,387.46 = 73,475.28 : x
  2. Step 2: Convert to fraction form
    215,633.16/323,387.46 = 73,475.28/x
  3. Step 3: Cross multiply
    215,633.16x = 323,387.46 × 73,475.28
  4. Step 4: Simplify right side
    215,633.16x = 23,760,984,171.99
  5. Step 5: Solve for x
    x = 23,760,984,171.99/215,633.16
  6. Step 6: Final answer
    x = 110,191.70

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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.