Home / 121,924.24-182,787.94-112,082.74

Finding the Fourth Proportional to 121,924.24, 182,787.94 and 112,082.74

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Solution

The fourth proportional to 121,924.24, 182,787.94 and 112,082.74 is: 168,033.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,924.24 : 182,787.94 = 112,082.74 : x
  2. Step 2: Convert to fraction form
    121,924.24/182,787.94 = 112,082.74/x
  3. Step 3: Cross multiply
    121,924.24x = 182,787.94 × 112,082.74
  4. Step 4: Simplify right side
    121,924.24x = 20,487,372,837.29
  5. Step 5: Solve for x
    x = 20,487,372,837.29/121,924.24
  6. Step 6: Final answer
    x = 168,033.64

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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.