Home / 146,839.91-202,736.57-112,787.51

Finding the Fourth Proportional to 146,839.91, 202,736.57 and 112,787.51

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Solution

The fourth proportional to 146,839.91, 202,736.57 and 112,787.51 is: 155,721.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,839.91 : 202,736.57 = 112,787.51 : x
  2. Step 2: Convert to fraction form
    146,839.91/202,736.57 = 112,787.51/x
  3. Step 3: Cross multiply
    146,839.91x = 202,736.57 × 112,787.51
  4. Step 4: Simplify right side
    146,839.91x = 22,866,151,338.62
  5. Step 5: Solve for x
    x = 22,866,151,338.62/146,839.91
  6. Step 6: Final answer
    x = 155,721.64

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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.