Home / 220,622.20-304,445.86-123,817.03

Finding the Fourth Proportional to 220,622.20, 304,445.86 and 123,817.03

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Solution

The fourth proportional to 220,622.20, 304,445.86 and 123,817.03 is: 170,860.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,622.20 : 304,445.86 = 123,817.03 : x
  2. Step 2: Convert to fraction form
    220,622.20/304,445.86 = 123,817.03/x
  3. Step 3: Cross multiply
    220,622.20x = 304,445.86 × 123,817.03
  4. Step 4: Simplify right side
    220,622.20x = 37,695,581,110.34
  5. Step 5: Solve for x
    x = 37,695,581,110.34/220,622.20
  6. Step 6: Final answer
    x = 170,860.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.