Home / 203,562.16-280,901.82-112,914.52

Finding the Fourth Proportional to 203,562.16, 280,901.82 and 112,914.52

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Solution

The fourth proportional to 203,562.16, 280,901.82 and 112,914.52 is: 155,814.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,562.16 : 280,901.82 = 112,914.52 : x
  2. Step 2: Convert to fraction form
    203,562.16/280,901.82 = 112,914.52/x
  3. Step 3: Cross multiply
    203,562.16x = 280,901.82 × 112,914.52
  4. Step 4: Simplify right side
    203,562.16x = 31,717,894,172.43
  5. Step 5: Solve for x
    x = 31,717,894,172.43/203,562.16
  6. Step 6: Final answer
    x = 155,814.29

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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.