Home / 213,736.06-319,025.57-188,521.84

Finding the Fourth Proportional to 213,736.06, 319,025.57 and 188,521.84

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Solution

The fourth proportional to 213,736.06, 319,025.57 and 188,521.84 is: 281,390.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,736.06 : 319,025.57 = 188,521.84 : x
  2. Step 2: Convert to fraction form
    213,736.06/319,025.57 = 188,521.84/x
  3. Step 3: Cross multiply
    213,736.06x = 319,025.57 × 188,521.84
  4. Step 4: Simplify right side
    213,736.06x = 60,143,287,463.45
  5. Step 5: Solve for x
    x = 60,143,287,463.45/213,736.06
  6. Step 6: Final answer
    x = 281,390.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.