Home / 134,119.21-201,053.75-45,310.61

Finding the Fourth Proportional to 134,119.21, 201,053.75 and 45,310.61

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Solution

The fourth proportional to 134,119.21, 201,053.75 and 45,310.61 is: 67,923.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,119.21 : 201,053.75 = 45,310.61 : x
  2. Step 2: Convert to fraction form
    134,119.21/201,053.75 = 45,310.61/x
  3. Step 3: Cross multiply
    134,119.21x = 201,053.75 × 45,310.61
  4. Step 4: Simplify right side
    134,119.21x = 9,109,867,200.44
  5. Step 5: Solve for x
    x = 9,109,867,200.44/134,119.21
  6. Step 6: Final answer
    x = 67,923.66

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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.