Home / 158,780.93-238,244.16-68,851.22

Finding the Fourth Proportional to 158,780.93, 238,244.16 and 68,851.22

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Solution

The fourth proportional to 158,780.93, 238,244.16 and 68,851.22 is: 103,308.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,780.93 : 238,244.16 = 68,851.22 : x
  2. Step 2: Convert to fraction form
    158,780.93/238,244.16 = 68,851.22/x
  3. Step 3: Cross multiply
    158,780.93x = 238,244.16 × 68,851.22
  4. Step 4: Simplify right side
    158,780.93x = 16,403,401,073.88
  5. Step 5: Solve for x
    x = 16,403,401,073.88/158,780.93
  6. Step 6: Final answer
    x = 103,308.38

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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.