Home / 144,795.56-217,255.32-74,724.08

Finding the Fourth Proportional to 144,795.56, 217,255.32 and 74,724.08

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Solution

The fourth proportional to 144,795.56, 217,255.32 and 74,724.08 is: 112,118.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,795.56 : 217,255.32 = 74,724.08 : x
  2. Step 2: Convert to fraction form
    144,795.56/217,255.32 = 74,724.08/x
  3. Step 3: Cross multiply
    144,795.56x = 217,255.32 × 74,724.08
  4. Step 4: Simplify right side
    144,795.56x = 16,234,203,912.11
  5. Step 5: Solve for x
    x = 16,234,203,912.11/144,795.56
  6. Step 6: Final answer
    x = 112,118.11

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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.