Home / 215,175.04-322,771.20-74,947.84

Finding the Fourth Proportional to 215,175.04, 322,771.20 and 74,947.84

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Solution

The fourth proportional to 215,175.04, 322,771.20 and 74,947.84 is: 112,424.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,175.04 : 322,771.20 = 74,947.84 : x
  2. Step 2: Convert to fraction form
    215,175.04/322,771.20 = 74,947.84/x
  3. Step 3: Cross multiply
    215,175.04x = 322,771.20 × 74,947.84
  4. Step 4: Simplify right side
    215,175.04x = 24,191,004,254.21
  5. Step 5: Solve for x
    x = 24,191,004,254.21/215,175.04
  6. Step 6: Final answer
    x = 112,424.77

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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.