Home / 132,792.53-199,168.13-72,850.50

Finding the Fourth Proportional to 132,792.53, 199,168.13 and 72,850.50

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Solution

The fourth proportional to 132,792.53, 199,168.13 and 72,850.50 is: 109,264.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,792.53 : 199,168.13 = 72,850.50 : x
  2. Step 2: Convert to fraction form
    132,792.53/199,168.13 = 72,850.50/x
  3. Step 3: Cross multiply
    132,792.53x = 199,168.13 × 72,850.50
  4. Step 4: Simplify right side
    132,792.53x = 14,509,497,490.31
  5. Step 5: Solve for x
    x = 14,509,497,490.31/132,792.53
  6. Step 6: Final answer
    x = 109,264.41

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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.