Home / 134,164.50-201,121.68-45,355.91

Finding the Fourth Proportional to 134,164.50, 201,121.68 and 45,355.91

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Solution

The fourth proportional to 134,164.50, 201,121.68 and 45,355.91 is: 67,991.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,164.50 : 201,121.68 = 45,355.91 : x
  2. Step 2: Convert to fraction form
    134,164.50/201,121.68 = 45,355.91/x
  3. Step 3: Cross multiply
    134,164.50x = 201,121.68 × 45,355.91
  4. Step 4: Simplify right side
    134,164.50x = 9,122,055,811.52
  5. Step 5: Solve for x
    x = 9,122,055,811.52/134,164.50
  6. Step 6: Final answer
    x = 67,991.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.