Home / 220,160.80-329,366.40-190,903.60

Finding the Fourth Proportional to 220,160.80, 329,366.40 and 190,903.60

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Solution

The fourth proportional to 220,160.80, 329,366.40 and 190,903.60 is: 285,596.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,160.80 : 329,366.40 = 190,903.60 : x
  2. Step 2: Convert to fraction form
    220,160.80/329,366.40 = 190,903.60/x
  3. Step 3: Cross multiply
    220,160.80x = 329,366.40 × 190,903.60
  4. Step 4: Simplify right side
    220,160.80x = 62,877,231,479.04
  5. Step 5: Solve for x
    x = 62,877,231,479.04/220,160.80
  6. Step 6: Final answer
    x = 285,596.85

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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.