Home / 376,186.24-519,099.20-225,279.36

Finding the Fourth Proportional to 376,186.24, 519,099.20 and 225,279.36

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Solution

The fourth proportional to 376,186.24, 519,099.20 and 225,279.36 is: 310,862.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,186.24 : 519,099.20 = 225,279.36 : x
  2. Step 2: Convert to fraction form
    376,186.24/519,099.20 = 225,279.36/x
  3. Step 3: Cross multiply
    376,186.24x = 519,099.20 × 225,279.36
  4. Step 4: Simplify right side
    376,186.24x = 116,942,335,552.51
  5. Step 5: Solve for x
    x = 116,942,335,552.51/376,186.24
  6. Step 6: Final answer
    x = 310,862.87

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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.