Home / 161,112.40-241,438.20-111,806.80

Finding the Fourth Proportional to 161,112.40, 241,438.20 and 111,806.80

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Solution

The fourth proportional to 161,112.40, 241,438.20 and 111,806.80 is: 167,550.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,112.40 : 241,438.20 = 111,806.80 : x
  2. Step 2: Convert to fraction form
    161,112.40/241,438.20 = 111,806.80/x
  3. Step 3: Cross multiply
    161,112.40x = 241,438.20 × 111,806.80
  4. Step 4: Simplify right side
    161,112.40x = 26,994,432,539.76
  5. Step 5: Solve for x
    x = 26,994,432,539.76/161,112.40
  6. Step 6: Final answer
    x = 167,550.31

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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.