Home / 215,824.88-323,725.46-66,065.04

Finding the Fourth Proportional to 215,824.88, 323,725.46 and 66,065.04

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Solution

The fourth proportional to 215,824.88, 323,725.46 and 66,065.04 is: 99,093.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,824.88 : 323,725.46 = 66,065.04 : x
  2. Step 2: Convert to fraction form
    215,824.88/323,725.46 = 66,065.04/x
  3. Step 3: Cross multiply
    215,824.88x = 323,725.46 × 66,065.04
  4. Step 4: Simplify right side
    215,824.88x = 21,386,935,463.92
  5. Step 5: Solve for x
    x = 21,386,935,463.92/215,824.88
  6. Step 6: Final answer
    x = 99,093.93

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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.