Home / 220,192.22-303,855.10-124,699.60

Finding the Fourth Proportional to 220,192.22, 303,855.10 and 124,699.60

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Solution

The fourth proportional to 220,192.22, 303,855.10 and 124,699.60 is: 172,079.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,192.22 : 303,855.10 = 124,699.60 : x
  2. Step 2: Convert to fraction form
    220,192.22/303,855.10 = 124,699.60/x
  3. Step 3: Cross multiply
    220,192.22x = 303,855.10 × 124,699.60
  4. Step 4: Simplify right side
    220,192.22x = 37,890,609,496.03
  5. Step 5: Solve for x
    x = 37,890,609,496.03/220,192.22
  6. Step 6: Final answer
    x = 172,079.69

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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.