Home / 154,783.62-232,175.43-123,815.70

Finding the Fourth Proportional to 154,783.62, 232,175.43 and 123,815.70

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Solution

The fourth proportional to 154,783.62, 232,175.43 and 123,815.70 is: 185,723.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,783.62 : 232,175.43 = 123,815.70 : x
  2. Step 2: Convert to fraction form
    154,783.62/232,175.43 = 123,815.70/x
  3. Step 3: Cross multiply
    154,783.62x = 232,175.43 × 123,815.70
  4. Step 4: Simplify right side
    154,783.62x = 28,746,963,388.25
  5. Step 5: Solve for x
    x = 28,746,963,388.25/154,783.62
  6. Step 6: Final answer
    x = 185,723.55

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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.