Home / 202,535.15-279,497.63-111,891.13

Finding the Fourth Proportional to 202,535.15, 279,497.63 and 111,891.13

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Solution

The fourth proportional to 202,535.15, 279,497.63 and 111,891.13 is: 154,409.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,535.15 : 279,497.63 = 111,891.13 : x
  2. Step 2: Convert to fraction form
    202,535.15/279,497.63 = 111,891.13/x
  3. Step 3: Cross multiply
    202,535.15x = 279,497.63 × 111,891.13
  4. Step 4: Simplify right side
    202,535.15x = 31,273,305,653.02
  5. Step 5: Solve for x
    x = 31,273,305,653.02/202,535.15
  6. Step 6: Final answer
    x = 154,409.27

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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.