Home / 158,845.38-238,268.16-99,722.58

Finding the Fourth Proportional to 158,845.38, 238,268.16 and 99,722.58

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Solution

The fourth proportional to 158,845.38, 238,268.16 and 99,722.58 is: 149,583.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,845.38 : 238,268.16 = 99,722.58 : x
  2. Step 2: Convert to fraction form
    158,845.38/238,268.16 = 99,722.58/x
  3. Step 3: Cross multiply
    158,845.38x = 238,268.16 × 99,722.58
  4. Step 4: Simplify right side
    158,845.38x = 23,760,715,647.05
  5. Step 5: Solve for x
    x = 23,760,715,647.05/158,845.38
  6. Step 6: Final answer
    x = 149,583.93

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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.