Home / 218,924.17-328,435.46-69,173.44

Finding the Fourth Proportional to 218,924.17, 328,435.46 and 69,173.44

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Solution

The fourth proportional to 218,924.17, 328,435.46 and 69,173.44 is: 103,775.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,924.17 : 328,435.46 = 69,173.44 : x
  2. Step 2: Convert to fraction form
    218,924.17/328,435.46 = 69,173.44/x
  3. Step 3: Cross multiply
    218,924.17x = 328,435.46 × 69,173.44
  4. Step 4: Simplify right side
    218,924.17x = 22,719,011,526.08
  5. Step 5: Solve for x
    x = 22,719,011,526.08/218,924.17
  6. Step 6: Final answer
    x = 103,775.71

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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.