Home / 105,474.08-158,211.75-43,144.58

Finding the Fourth Proportional to 105,474.08, 158,211.75 and 43,144.58

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Solution

The fourth proportional to 105,474.08, 158,211.75 and 43,144.58 is: 64,717.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,474.08 : 158,211.75 = 43,144.58 : x
  2. Step 2: Convert to fraction form
    105,474.08/158,211.75 = 43,144.58/x
  3. Step 3: Cross multiply
    105,474.08x = 158,211.75 × 43,144.58
  4. Step 4: Simplify right side
    105,474.08x = 6,825,979,504.82
  5. Step 5: Solve for x
    x = 6,825,979,504.82/105,474.08
  6. Step 6: Final answer
    x = 64,717.13

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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.