Home / 202,453.33-279,387.70-111,811.60

Finding the Fourth Proportional to 202,453.33, 279,387.70 and 111,811.60

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Solution

The fourth proportional to 202,453.33, 279,387.70 and 111,811.60 is: 154,301.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,453.33 : 279,387.70 = 111,811.60 : x
  2. Step 2: Convert to fraction form
    202,453.33/279,387.70 = 111,811.60/x
  3. Step 3: Cross multiply
    202,453.33x = 279,387.70 × 111,811.60
  4. Step 4: Simplify right side
    202,453.33x = 31,238,785,757.32
  5. Step 5: Solve for x
    x = 31,238,785,757.32/202,453.33
  6. Step 6: Final answer
    x = 154,301.17

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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.