Home / 146,062.12-201,565.86-78,994.12

Finding the Fourth Proportional to 146,062.12, 201,565.86 and 78,994.12

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Solution

The fourth proportional to 146,062.12, 201,565.86 and 78,994.12 is: 109,011.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,062.12 : 201,565.86 = 78,994.12 : x
  2. Step 2: Convert to fraction form
    146,062.12/201,565.86 = 78,994.12/x
  3. Step 3: Cross multiply
    146,062.12x = 201,565.86 × 78,994.12
  4. Step 4: Simplify right side
    146,062.12x = 15,922,517,732.74
  5. Step 5: Solve for x
    x = 15,922,517,732.74/146,062.12
  6. Step 6: Final answer
    x = 109,011.96

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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.