Home / 143,799.36-198,801.85-107,927.10

Finding the Fourth Proportional to 143,799.36, 198,801.85 and 107,927.10

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Solution

The fourth proportional to 143,799.36, 198,801.85 and 107,927.10 is: 149,208.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,799.36 : 198,801.85 = 107,927.10 : x
  2. Step 2: Convert to fraction form
    143,799.36/198,801.85 = 107,927.10/x
  3. Step 3: Cross multiply
    143,799.36x = 198,801.85 × 107,927.10
  4. Step 4: Simplify right side
    143,799.36x = 21,456,107,145.14
  5. Step 5: Solve for x
    x = 21,456,107,145.14/143,799.36
  6. Step 6: Final answer
    x = 149,208.64

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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.