Home / 141,724.34-195,588.46-78,062.12

Finding the Fourth Proportional to 141,724.34, 195,588.46 and 78,062.12

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Solution

The fourth proportional to 141,724.34, 195,588.46 and 78,062.12 is: 107,730.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,724.34 : 195,588.46 = 78,062.12 : x
  2. Step 2: Convert to fraction form
    141,724.34/195,588.46 = 78,062.12/x
  3. Step 3: Cross multiply
    141,724.34x = 195,588.46 × 78,062.12
  4. Step 4: Simplify right side
    141,724.34x = 15,268,049,835.14
  5. Step 5: Solve for x
    x = 15,268,049,835.14/141,724.34
  6. Step 6: Final answer
    x = 107,730.61

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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.