Home / 201,564.41-278,151.92-110,911.90

Finding the Fourth Proportional to 201,564.41, 278,151.92 and 110,911.90

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Solution

The fourth proportional to 201,564.41, 278,151.92 and 110,911.90 is: 153,054.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,564.41 : 278,151.92 = 110,911.90 : x
  2. Step 2: Convert to fraction form
    201,564.41/278,151.92 = 110,911.90/x
  3. Step 3: Cross multiply
    201,564.41x = 278,151.92 × 110,911.90
  4. Step 4: Simplify right side
    201,564.41x = 30,850,356,685.91
  5. Step 5: Solve for x
    x = 30,850,356,685.91/201,564.41
  6. Step 6: Final answer
    x = 153,054.58

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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.