Home / 274,318.04-378,406.49-159,583.77

Finding the Fourth Proportional to 274,318.04, 378,406.49 and 159,583.77

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Solution

The fourth proportional to 274,318.04, 378,406.49 and 159,583.77 is: 220,136.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,318.04 : 378,406.49 = 159,583.77 : x
  2. Step 2: Convert to fraction form
    274,318.04/378,406.49 = 159,583.77/x
  3. Step 3: Cross multiply
    274,318.04x = 378,406.49 × 159,583.77
  4. Step 4: Simplify right side
    274,318.04x = 60,387,533,468.75
  5. Step 5: Solve for x
    x = 60,387,533,468.75/274,318.04
  6. Step 6: Final answer
    x = 220,136.94

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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.