Home / 187,320.84-258,526.43-122,844.33

Finding the Fourth Proportional to 187,320.84, 258,526.43 and 122,844.33

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Solution

The fourth proportional to 187,320.84, 258,526.43 and 122,844.33 is: 169,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,320.84 : 258,526.43 = 122,844.33 : x
  2. Step 2: Convert to fraction form
    187,320.84/258,526.43 = 122,844.33/x
  3. Step 3: Cross multiply
    187,320.84x = 258,526.43 × 122,844.33
  4. Step 4: Simplify right side
    187,320.84x = 31,758,505,927.09
  5. Step 5: Solve for x
    x = 31,758,505,927.09/187,320.84
  6. Step 6: Final answer
    x = 169,540.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.