Home / 187,238.33-280,851.35-74,888.39

Finding the Fourth Proportional to 187,238.33, 280,851.35 and 74,888.39

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Solution

The fourth proportional to 187,238.33, 280,851.35 and 74,888.39 is: 112,330.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,238.33 : 280,851.35 = 74,888.39 : x
  2. Step 2: Convert to fraction form
    187,238.33/280,851.35 = 74,888.39/x
  3. Step 3: Cross multiply
    187,238.33x = 280,851.35 × 74,888.39
  4. Step 4: Simplify right side
    187,238.33x = 21,032,504,205.02
  5. Step 5: Solve for x
    x = 21,032,504,205.02/187,238.33
  6. Step 6: Final answer
    x = 112,330.12

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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.