Home / 158,821.60-238,181.82-52,180.80

Finding the Fourth Proportional to 158,821.60, 238,181.82 and 52,180.80

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Solution

The fourth proportional to 158,821.60, 238,181.82 and 52,180.80 is: 78,254.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,821.60 : 238,181.82 = 52,180.80 : x
  2. Step 2: Convert to fraction form
    158,821.60/238,181.82 = 52,180.80/x
  3. Step 3: Cross multiply
    158,821.60x = 238,181.82 × 52,180.80
  4. Step 4: Simplify right side
    158,821.60x = 12,428,517,913.06
  5. Step 5: Solve for x
    x = 12,428,517,913.06/158,821.60
  6. Step 6: Final answer
    x = 78,254.58

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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.