Home / 202,795.38-279,852.57-112,156.38

Finding the Fourth Proportional to 202,795.38, 279,852.57 and 112,156.38

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Solution

The fourth proportional to 202,795.38, 279,852.57 and 112,156.38 is: 154,773.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,795.38 : 279,852.57 = 112,156.38 : x
  2. Step 2: Convert to fraction form
    202,795.38/279,852.57 = 112,156.38/x
  3. Step 3: Cross multiply
    202,795.38x = 279,852.57 × 112,156.38
  4. Step 4: Simplify right side
    202,795.38x = 31,387,251,184.90
  5. Step 5: Solve for x
    x = 31,387,251,184.90/202,795.38
  6. Step 6: Final answer
    x = 154,773.01

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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.