Home / 220,192.47-303,855.44-124,699.85

Finding the Fourth Proportional to 220,192.47, 303,855.44 and 124,699.85

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Solution

The fourth proportional to 220,192.47, 303,855.44 and 124,699.85 is: 172,080.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,192.47 : 303,855.44 = 124,699.85 : x
  2. Step 2: Convert to fraction form
    220,192.47/303,855.44 = 124,699.85/x
  3. Step 3: Cross multiply
    220,192.47x = 303,855.44 × 124,699.85
  4. Step 4: Simplify right side
    220,192.47x = 37,890,728,861.07
  5. Step 5: Solve for x
    x = 37,890,728,861.07/220,192.47
  6. Step 6: Final answer
    x = 172,080.04

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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.