Home / 123,988.23-185,954.40-35,239.77

Finding the Fourth Proportional to 123,988.23, 185,954.40 and 35,239.77

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Solution

The fourth proportional to 123,988.23, 185,954.40 and 35,239.77 is: 52,851.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,988.23 : 185,954.40 = 35,239.77 : x
  2. Step 2: Convert to fraction form
    123,988.23/185,954.40 = 35,239.77/x
  3. Step 3: Cross multiply
    123,988.23x = 185,954.40 × 35,239.77
  4. Step 4: Simplify right side
    123,988.23x = 6,552,990,286.49
  5. Step 5: Solve for x
    x = 6,552,990,286.49/123,988.23
  6. Step 6: Final answer
    x = 52,851.71

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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.