Home / 105,474.02-158,236.42-43,144.70

Finding the Fourth Proportional to 105,474.02, 158,236.42 and 43,144.70

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Solution

The fourth proportional to 105,474.02, 158,236.42 and 43,144.70 is: 64,727.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,474.02 : 158,236.42 = 43,144.70 : x
  2. Step 2: Convert to fraction form
    105,474.02/158,236.42 = 43,144.70/x
  3. Step 3: Cross multiply
    105,474.02x = 158,236.42 × 43,144.70
  4. Step 4: Simplify right side
    105,474.02x = 6,827,062,869.97
  5. Step 5: Solve for x
    x = 6,827,062,869.97/105,474.02
  6. Step 6: Final answer
    x = 64,727.44

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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.