Home / 201,579.61-278,179.91-110,935.55

Finding the Fourth Proportional to 201,579.61, 278,179.91 and 110,935.55

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Solution

The fourth proportional to 201,579.61, 278,179.91 and 110,935.55 is: 153,091.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,579.61 : 278,179.91 = 110,935.55 : x
  2. Step 2: Convert to fraction form
    201,579.61/278,179.91 = 110,935.55/x
  3. Step 3: Cross multiply
    201,579.61x = 278,179.91 × 110,935.55
  4. Step 4: Simplify right side
    201,579.61x = 30,860,041,314.80
  5. Step 5: Solve for x
    x = 30,860,041,314.80/201,579.61
  6. Step 6: Final answer
    x = 153,091.09

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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.