Home / 204,427.16-282,112.15-112,557.13

Finding the Fourth Proportional to 204,427.16, 282,112.15 and 112,557.13

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Solution

The fourth proportional to 204,427.16, 282,112.15 and 112,557.13 is: 155,330.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,427.16 : 282,112.15 = 112,557.13 : x
  2. Step 2: Convert to fraction form
    204,427.16/282,112.15 = 112,557.13/x
  3. Step 3: Cross multiply
    204,427.16x = 282,112.15 × 112,557.13
  4. Step 4: Simplify right side
    204,427.16x = 31,753,733,942.13
  5. Step 5: Solve for x
    x = 31,753,733,942.13/204,427.16
  6. Step 6: Final answer
    x = 155,330.31

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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.