Home / 151,080.40-226,426.20-91,853.20

Finding the Fourth Proportional to 151,080.40, 226,426.20 and 91,853.20

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Solution

The fourth proportional to 151,080.40, 226,426.20 and 91,853.20 is: 137,661.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,080.40 : 226,426.20 = 91,853.20 : x
  2. Step 2: Convert to fraction form
    151,080.40/226,426.20 = 91,853.20/x
  3. Step 3: Cross multiply
    151,080.40x = 226,426.20 × 91,853.20
  4. Step 4: Simplify right side
    151,080.40x = 20,797,971,033.84
  5. Step 5: Solve for x
    x = 20,797,971,033.84/151,080.40
  6. Step 6: Final answer
    x = 137,661.61

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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.