Home / 151,915.21-227,900.49-52,085.50

Finding the Fourth Proportional to 151,915.21, 227,900.49 and 52,085.50

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Solution

The fourth proportional to 151,915.21, 227,900.49 and 52,085.50 is: 78,137.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,915.21 : 227,900.49 = 52,085.50 : x
  2. Step 2: Convert to fraction form
    151,915.21/227,900.49 = 52,085.50/x
  3. Step 3: Cross multiply
    151,915.21x = 227,900.49 × 52,085.50
  4. Step 4: Simplify right side
    151,915.21x = 11,870,310,971.90
  5. Step 5: Solve for x
    x = 11,870,310,971.90/151,915.21
  6. Step 6: Final answer
    x = 78,137.74

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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.