Home / 148,529.53-204,970.80-80,546.48

Finding the Fourth Proportional to 148,529.53, 204,970.80 and 80,546.48

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Solution

The fourth proportional to 148,529.53, 204,970.80 and 80,546.48 is: 111,154.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,529.53 : 204,970.80 = 80,546.48 : x
  2. Step 2: Convert to fraction form
    148,529.53/204,970.80 = 80,546.48/x
  3. Step 3: Cross multiply
    148,529.53x = 204,970.80 × 80,546.48
  4. Step 4: Simplify right side
    148,529.53x = 16,509,676,035.55
  5. Step 5: Solve for x
    x = 16,509,676,035.55/148,529.53
  6. Step 6: Final answer
    x = 111,154.17

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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.