Home / 220,860.40-331,290.60-73,116.40

Finding the Fourth Proportional to 220,860.40, 331,290.60 and 73,116.40

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Solution

The fourth proportional to 220,860.40, 331,290.60 and 73,116.40 is: 109,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,860.40 : 331,290.60 = 73,116.40 : x
  2. Step 2: Convert to fraction form
    220,860.40/331,290.60 = 73,116.40/x
  3. Step 3: Cross multiply
    220,860.40x = 331,290.60 × 73,116.40
  4. Step 4: Simplify right side
    220,860.40x = 24,222,776,025.84
  5. Step 5: Solve for x
    x = 24,222,776,025.84/220,860.40
  6. Step 6: Final answer
    x = 109,674.60

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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.