Home / 276,193.32-381,055.14-225,118.23

Finding the Fourth Proportional to 276,193.32, 381,055.14 and 225,118.23

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Solution

The fourth proportional to 276,193.32, 381,055.14 and 225,118.23 is: 310,588.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,193.32 : 381,055.14 = 225,118.23 : x
  2. Step 2: Convert to fraction form
    276,193.32/381,055.14 = 225,118.23/x
  3. Step 3: Cross multiply
    276,193.32x = 381,055.14 × 225,118.23
  4. Step 4: Simplify right side
    276,193.32x = 85,782,458,649.20
  5. Step 5: Solve for x
    x = 85,782,458,649.20/276,193.32
  6. Step 6: Final answer
    x = 310,588.46

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Double scale
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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.