Home / 131,832.64-197,518.56-109,787.84

Finding the Fourth Proportional to 131,832.64, 197,518.56 and 109,787.84

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Solution

The fourth proportional to 131,832.64, 197,518.56 and 109,787.84 is: 164,489.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,832.64 : 197,518.56 = 109,787.84 : x
  2. Step 2: Convert to fraction form
    131,832.64/197,518.56 = 109,787.84/x
  3. Step 3: Cross multiply
    131,832.64x = 197,518.56 × 109,787.84
  4. Step 4: Simplify right side
    131,832.64x = 21,685,136,062.31
  5. Step 5: Solve for x
    x = 21,685,136,062.31/131,832.64
  6. Step 6: Final answer
    x = 164,489.89

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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.