Home / 151,014.84-208,388.19-88,915.50

Finding the Fourth Proportional to 151,014.84, 208,388.19 and 88,915.50

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Solution

The fourth proportional to 151,014.84, 208,388.19 and 88,915.50 is: 122,696.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,014.84 : 208,388.19 = 88,915.50 : x
  2. Step 2: Convert to fraction form
    151,014.84/208,388.19 = 88,915.50/x
  3. Step 3: Cross multiply
    151,014.84x = 208,388.19 × 88,915.50
  4. Step 4: Simplify right side
    151,014.84x = 18,528,940,107.95
  5. Step 5: Solve for x
    x = 18,528,940,107.95/151,014.84
  6. Step 6: Final answer
    x = 122,696.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.