Home / 202,747.64-279,767.32-112,091.36

Finding the Fourth Proportional to 202,747.64, 279,767.32 and 112,091.36

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Solution

The fourth proportional to 202,747.64, 279,767.32 and 112,091.36 is: 154,672.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,747.64 : 279,767.32 = 112,091.36 : x
  2. Step 2: Convert to fraction form
    202,747.64/279,767.32 = 112,091.36/x
  3. Step 3: Cross multiply
    202,747.64x = 279,767.32 × 112,091.36
  4. Step 4: Simplify right side
    202,747.64x = 31,359,497,703.29
  5. Step 5: Solve for x
    x = 31,359,497,703.29/202,747.64
  6. Step 6: Final answer
    x = 154,672.57

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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.