Home / 220,629.32-330,909.37-60,717.23

Finding the Fourth Proportional to 220,629.32, 330,909.37 and 60,717.23

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Solution

The fourth proportional to 220,629.32, 330,909.37 and 60,717.23 is: 91,066.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,629.32 : 330,909.37 = 60,717.23 : x
  2. Step 2: Convert to fraction form
    220,629.32/330,909.37 = 60,717.23/x
  3. Step 3: Cross multiply
    220,629.32x = 330,909.37 × 60,717.23
  4. Step 4: Simplify right side
    220,629.32x = 20,091,899,762.02
  5. Step 5: Solve for x
    x = 20,091,899,762.02/220,629.32
  6. Step 6: Final answer
    x = 91,066.32

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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.