Home / 137,213.88-205,738.80-52,904.12

Finding the Fourth Proportional to 137,213.88, 205,738.80 and 52,904.12

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Solution

The fourth proportional to 137,213.88, 205,738.80 and 52,904.12 is: 79,324.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,213.88 : 205,738.80 = 52,904.12 : x
  2. Step 2: Convert to fraction form
    137,213.88/205,738.80 = 52,904.12/x
  3. Step 3: Cross multiply
    137,213.88x = 205,738.80 × 52,904.12
  4. Step 4: Simplify right side
    137,213.88x = 10,884,429,135.16
  5. Step 5: Solve for x
    x = 10,884,429,135.16/137,213.88
  6. Step 6: Final answer
    x = 79,324.55

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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.