Home / 146,177.61-201,724.70-79,109.61

Finding the Fourth Proportional to 146,177.61, 201,724.70 and 79,109.61

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Solution

The fourth proportional to 146,177.61, 201,724.70 and 79,109.61 is: 109,171.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,177.61 : 201,724.70 = 79,109.61 : x
  2. Step 2: Convert to fraction form
    146,177.61/201,724.70 = 79,109.61/x
  3. Step 3: Cross multiply
    146,177.61x = 201,724.70 × 79,109.61
  4. Step 4: Simplify right side
    146,177.61x = 15,958,362,344.37
  5. Step 5: Solve for x
    x = 15,958,362,344.37/146,177.61
  6. Step 6: Final answer
    x = 109,171.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.