Home / 112,168.89-154,787.58-66,845.82

Finding the Fourth Proportional to 112,168.89, 154,787.58 and 66,845.82

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Solution

The fourth proportional to 112,168.89, 154,787.58 and 66,845.82 is: 92,243.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,168.89 : 154,787.58 = 66,845.82 : x
  2. Step 2: Convert to fraction form
    112,168.89/154,787.58 = 66,845.82/x
  3. Step 3: Cross multiply
    112,168.89x = 154,787.58 × 66,845.82
  4. Step 4: Simplify right side
    112,168.89x = 10,346,902,710.92
  5. Step 5: Solve for x
    x = 10,346,902,710.92/112,168.89
  6. Step 6: Final answer
    x = 92,243.96

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1.5x scale

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.