Home / 202,743.93-279,774.64-112,092.78

Finding the Fourth Proportional to 202,743.93, 279,774.64 and 112,092.78

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Solution

The fourth proportional to 202,743.93, 279,774.64 and 112,092.78 is: 154,681.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,743.93 : 279,774.64 = 112,092.78 : x
  2. Step 2: Convert to fraction form
    202,743.93/279,774.64 = 112,092.78/x
  3. Step 3: Cross multiply
    202,743.93x = 279,774.64 × 112,092.78
  4. Step 4: Simplify right side
    202,743.93x = 31,360,717,171.10
  5. Step 5: Solve for x
    x = 31,360,717,171.10/202,743.93
  6. Step 6: Final answer
    x = 154,681.41

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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.