Home / 158,865.41-238,152.11-68,851.69

Finding the Fourth Proportional to 158,865.41, 238,152.11 and 68,851.69

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Solution

The fourth proportional to 158,865.41, 238,152.11 and 68,851.69 is: 103,214.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,865.41 : 238,152.11 = 68,851.69 : x
  2. Step 2: Convert to fraction form
    158,865.41/238,152.11 = 68,851.69/x
  3. Step 3: Cross multiply
    158,865.41x = 238,152.11 × 68,851.69
  4. Step 4: Simplify right side
    158,865.41x = 16,397,174,310.93
  5. Step 5: Solve for x
    x = 16,397,174,310.93/158,865.41
  6. Step 6: Final answer
    x = 103,214.25

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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.