Home / 120,622.20-180,933.30-41,728.20

Finding the Fourth Proportional to 120,622.20, 180,933.30 and 41,728.20

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Solution

The fourth proportional to 120,622.20, 180,933.30 and 41,728.20 is: 62,592.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,622.20 : 180,933.30 = 41,728.20 : x
  2. Step 2: Convert to fraction form
    120,622.20/180,933.30 = 41,728.20/x
  3. Step 3: Cross multiply
    120,622.20x = 180,933.30 × 41,728.20
  4. Step 4: Simplify right side
    120,622.20x = 7,550,020,929.06
  5. Step 5: Solve for x
    x = 7,550,020,929.06/120,622.20
  6. Step 6: Final answer
    x = 62,592.30

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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.