Home / 274,331.04-378,424.42-159,596.80

Finding the Fourth Proportional to 274,331.04, 378,424.42 and 159,596.80

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Solution

The fourth proportional to 274,331.04, 378,424.42 and 159,596.80 is: 220,154.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,331.04 : 378,424.42 = 159,596.80 : x
  2. Step 2: Convert to fraction form
    274,331.04/378,424.42 = 159,596.80/x
  3. Step 3: Cross multiply
    274,331.04x = 378,424.42 × 159,596.80
  4. Step 4: Simplify right side
    274,331.04x = 60,395,326,473.86
  5. Step 5: Solve for x
    x = 60,395,326,473.86/274,331.04
  6. Step 6: Final answer
    x = 220,154.91

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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.