Home / 144,872.35-217,164.04-68,837.45

Finding the Fourth Proportional to 144,872.35, 217,164.04 and 68,837.45

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Solution

The fourth proportional to 144,872.35, 217,164.04 and 68,837.45 is: 103,187.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,872.35 : 217,164.04 = 68,837.45 : x
  2. Step 2: Convert to fraction form
    144,872.35/217,164.04 = 68,837.45/x
  3. Step 3: Cross multiply
    144,872.35x = 217,164.04 × 68,837.45
  4. Step 4: Simplify right side
    144,872.35x = 14,949,017,487.38
  5. Step 5: Solve for x
    x = 14,949,017,487.38/144,872.35
  6. Step 6: Final answer
    x = 103,187.51

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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.