Home / 220,110.80-330,166.20-190,586.30

Finding the Fourth Proportional to 220,110.80, 330,166.20 and 190,586.30

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Solution

The fourth proportional to 220,110.80, 330,166.20 and 190,586.30 is: 285,879.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,110.80 : 330,166.20 = 190,586.30 : x
  2. Step 2: Convert to fraction form
    220,110.80/330,166.20 = 190,586.30/x
  3. Step 3: Cross multiply
    220,110.80x = 330,166.20 × 190,586.30
  4. Step 4: Simplify right side
    220,110.80x = 62,925,154,443.06
  5. Step 5: Solve for x
    x = 62,925,154,443.06/220,110.80
  6. Step 6: Final answer
    x = 285,879.45

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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.