Home / 158,722.55-238,083.83-123,688.43

Finding the Fourth Proportional to 158,722.55, 238,083.83 and 123,688.43

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Solution

The fourth proportional to 158,722.55, 238,083.83 and 123,688.43 is: 185,532.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,722.55 : 238,083.83 = 123,688.43 : x
  2. Step 2: Convert to fraction form
    158,722.55/238,083.83 = 123,688.43/x
  3. Step 3: Cross multiply
    158,722.55x = 238,083.83 × 123,688.43
  4. Step 4: Simplify right side
    158,722.55x = 29,448,214,522.64
  5. Step 5: Solve for x
    x = 29,448,214,522.64/158,722.55
  6. Step 6: Final answer
    x = 185,532.65

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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.