Home / 202,322.49-279,205.05-111,678.48

Finding the Fourth Proportional to 202,322.49, 279,205.05 and 111,678.48

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Solution

The fourth proportional to 202,322.49, 279,205.05 and 111,678.48 is: 154,116.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,322.49 : 279,205.05 = 111,678.48 : x
  2. Step 2: Convert to fraction form
    202,322.49/279,205.05 = 111,678.48/x
  3. Step 3: Cross multiply
    202,322.49x = 279,205.05 × 111,678.48
  4. Step 4: Simplify right side
    202,322.49x = 31,181,195,592.32
  5. Step 5: Solve for x
    x = 31,181,195,592.32/202,322.49
  6. Step 6: Final answer
    x = 154,116.31

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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.