Home / 131,956.93-182,251.90-86,836.35

Finding the Fourth Proportional to 131,956.93, 182,251.90 and 86,836.35

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Solution

The fourth proportional to 131,956.93, 182,251.90 and 86,836.35 is: 119,933.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,956.93 : 182,251.90 = 86,836.35 : x
  2. Step 2: Convert to fraction form
    131,956.93/182,251.90 = 86,836.35/x
  3. Step 3: Cross multiply
    131,956.93x = 182,251.90 × 86,836.35
  4. Step 4: Simplify right side
    131,956.93x = 15,826,089,201.67
  5. Step 5: Solve for x
    x = 15,826,089,201.67/131,956.93
  6. Step 6: Final answer
    x = 119,933.75

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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.