Home / 273,990.52-378,099.38-153,132.28

Finding the Fourth Proportional to 273,990.52, 378,099.38 and 153,132.28

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Solution

The fourth proportional to 273,990.52, 378,099.38 and 153,132.28 is: 211,318.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,990.52 : 378,099.38 = 153,132.28 : x
  2. Step 2: Convert to fraction form
    273,990.52/378,099.38 = 153,132.28/x
  3. Step 3: Cross multiply
    273,990.52x = 378,099.38 × 153,132.28
  4. Step 4: Simplify right side
    273,990.52x = 57,899,220,125.99
  5. Step 5: Solve for x
    x = 57,899,220,125.99/273,990.52
  6. Step 6: Final answer
    x = 211,318.33

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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.