Home / 201,522.11-278,100.47-110,876.09

Finding the Fourth Proportional to 201,522.11, 278,100.47 and 110,876.09

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Solution

The fourth proportional to 201,522.11, 278,100.47 and 110,876.09 is: 153,008.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,522.11 : 278,100.47 = 110,876.09 : x
  2. Step 2: Convert to fraction form
    201,522.11/278,100.47 = 110,876.09/x
  3. Step 3: Cross multiply
    201,522.11x = 278,100.47 × 110,876.09
  4. Step 4: Simplify right side
    201,522.11x = 30,834,691,627.45
  5. Step 5: Solve for x
    x = 30,834,691,627.45/201,522.11
  6. Step 6: Final answer
    x = 153,008.98

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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.