Home / 220,128.27-330,057.45-93,696.51

Finding the Fourth Proportional to 220,128.27, 330,057.45 and 93,696.51

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Solution

The fourth proportional to 220,128.27, 330,057.45 and 93,696.51 is: 140,487.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,128.27 : 330,057.45 = 93,696.51 : x
  2. Step 2: Convert to fraction form
    220,128.27/330,057.45 = 93,696.51/x
  3. Step 3: Cross multiply
    220,128.27x = 330,057.45 × 93,696.51
  4. Step 4: Simplify right side
    220,128.27x = 30,925,231,164.50
  5. Step 5: Solve for x
    x = 30,925,231,164.50/220,128.27
  6. Step 6: Final answer
    x = 140,487.32

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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.