Home / 148,113.20-204,401.64-84,450.32

Finding the Fourth Proportional to 148,113.20, 204,401.64 and 84,450.32

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Solution

The fourth proportional to 148,113.20, 204,401.64 and 84,450.32 is: 116,544.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,113.20 : 204,401.64 = 84,450.32 : x
  2. Step 2: Convert to fraction form
    148,113.20/204,401.64 = 84,450.32/x
  3. Step 3: Cross multiply
    148,113.20x = 204,401.64 × 84,450.32
  4. Step 4: Simplify right side
    148,113.20x = 17,261,783,906.52
  5. Step 5: Solve for x
    x = 17,261,783,906.52/148,113.20
  6. Step 6: Final answer
    x = 116,544.53

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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.