Home / 115,928.28-173,635.52-89,076.60

Finding the Fourth Proportional to 115,928.28, 173,635.52 and 89,076.60

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Solution

The fourth proportional to 115,928.28, 173,635.52 and 89,076.60 is: 133,417.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,928.28 : 173,635.52 = 89,076.60 : x
  2. Step 2: Convert to fraction form
    115,928.28/173,635.52 = 89,076.60/x
  3. Step 3: Cross multiply
    115,928.28x = 173,635.52 × 89,076.60
  4. Step 4: Simplify right side
    115,928.28x = 15,466,861,315.45
  5. Step 5: Solve for x
    x = 15,466,861,315.45/115,928.28
  6. Step 6: Final answer
    x = 133,417.50

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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.