Home / 144,787.56-217,243.32-74,716.08

Finding the Fourth Proportional to 144,787.56, 217,243.32 and 74,716.08

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Solution

The fourth proportional to 144,787.56, 217,243.32 and 74,716.08 is: 112,106.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,787.56 : 217,243.32 = 74,716.08 : x
  2. Step 2: Convert to fraction form
    144,787.56/217,243.32 = 74,716.08/x
  3. Step 3: Cross multiply
    144,787.56x = 217,243.32 × 74,716.08
  4. Step 4: Simplify right side
    144,787.56x = 16,231,569,276.59
  5. Step 5: Solve for x
    x = 16,231,569,276.59/144,787.56
  6. Step 6: Final answer
    x = 112,106.10

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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.