Home / 220,005.38-303,607.36-119,403.38

Finding the Fourth Proportional to 220,005.38, 303,607.36 and 119,403.38

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Solution

The fourth proportional to 220,005.38, 303,607.36 and 119,403.38 is: 164,776.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,005.38 : 303,607.36 = 119,403.38 : x
  2. Step 2: Convert to fraction form
    220,005.38/303,607.36 = 119,403.38/x
  3. Step 3: Cross multiply
    220,005.38x = 303,607.36 × 119,403.38
  4. Step 4: Simplify right side
    220,005.38x = 36,251,744,976.88
  5. Step 5: Solve for x
    x = 36,251,744,976.88/220,005.38
  6. Step 6: Final answer
    x = 164,776.63

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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.