Home / 220,277.41-303,997.85-124,784.89

Finding the Fourth Proportional to 220,277.41, 303,997.85 and 124,784.89

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Solution

The fourth proportional to 220,277.41, 303,997.85 and 124,784.89 is: 172,211.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,277.41 : 303,997.85 = 124,784.89 : x
  2. Step 2: Convert to fraction form
    220,277.41/303,997.85 = 124,784.89/x
  3. Step 3: Cross multiply
    220,277.41x = 303,997.85 × 124,784.89
  4. Step 4: Simplify right side
    220,277.41x = 37,934,338,272.49
  5. Step 5: Solve for x
    x = 37,934,338,272.49/220,277.41
  6. Step 6: Final answer
    x = 172,211.66

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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.