Home / 148,433.84-204,838.80-80,451.44

Finding the Fourth Proportional to 148,433.84, 204,838.80 and 80,451.44

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Solution

The fourth proportional to 148,433.84, 204,838.80 and 80,451.44 is: 111,023.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,433.84 : 204,838.80 = 80,451.44 : x
  2. Step 2: Convert to fraction form
    148,433.84/204,838.80 = 80,451.44/x
  3. Step 3: Cross multiply
    148,433.84x = 204,838.80 × 80,451.44
  4. Step 4: Simplify right side
    148,433.84x = 16,479,576,427.87
  5. Step 5: Solve for x
    x = 16,479,576,427.87/148,433.84
  6. Step 6: Final answer
    x = 111,023.04

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1.5x scale

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.