Home / 148,278.80-222,418.20-101,039.60

Finding the Fourth Proportional to 148,278.80, 222,418.20 and 101,039.60

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Solution

The fourth proportional to 148,278.80, 222,418.20 and 101,039.60 is: 151,559.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,278.80 : 222,418.20 = 101,039.60 : x
  2. Step 2: Convert to fraction form
    148,278.80/222,418.20 = 101,039.60/x
  3. Step 3: Cross multiply
    148,278.80x = 222,418.20 × 101,039.60
  4. Step 4: Simplify right side
    148,278.80x = 22,473,045,960.72
  5. Step 5: Solve for x
    x = 22,473,045,960.72/148,278.80
  6. Step 6: Final answer
    x = 151,559.40

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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.