Home / 148,131.12-222,139.98-53,334.12

Finding the Fourth Proportional to 148,131.12, 222,139.98 and 53,334.12

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Solution

The fourth proportional to 148,131.12, 222,139.98 and 53,334.12 is: 79,980.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,131.12 : 222,139.98 = 53,334.12 : x
  2. Step 2: Convert to fraction form
    148,131.12/222,139.98 = 53,334.12/x
  3. Step 3: Cross multiply
    148,131.12x = 222,139.98 × 53,334.12
  4. Step 4: Simplify right side
    148,131.12x = 11,847,640,350.12
  5. Step 5: Solve for x
    x = 11,847,640,350.12/148,131.12
  6. Step 6: Final answer
    x = 79,980.77

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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.