Home / 148,385.70-222,586.20-43,212.84

Finding the Fourth Proportional to 148,385.70, 222,586.20 and 43,212.84

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Solution

The fourth proportional to 148,385.70, 222,586.20 and 43,212.84 is: 64,821.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,385.70 : 222,586.20 = 43,212.84 : x
  2. Step 2: Convert to fraction form
    148,385.70/222,586.20 = 43,212.84/x
  3. Step 3: Cross multiply
    148,385.70x = 222,586.20 × 43,212.84
  4. Step 4: Simplify right side
    148,385.70x = 9,618,581,846.81
  5. Step 5: Solve for x
    x = 9,618,581,846.81/148,385.70
  6. Step 6: Final answer
    x = 64,821.49

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1.5x scale

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.