Home / 220,222.80-303,914.16-124,743.24

Finding the Fourth Proportional to 220,222.80, 303,914.16 and 124,743.24

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Solution

The fourth proportional to 220,222.80, 303,914.16 and 124,743.24 is: 172,149.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,222.80 : 303,914.16 = 124,743.24 : x
  2. Step 2: Convert to fraction form
    220,222.80/303,914.16 = 124,743.24/x
  3. Step 3: Cross multiply
    220,222.80x = 303,914.16 × 124,743.24
  4. Step 4: Simplify right side
    220,222.80x = 37,911,237,000.28
  5. Step 5: Solve for x
    x = 37,911,237,000.28/220,222.80
  6. Step 6: Final answer
    x = 172,149.46

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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.