Home / 324,825.36-487,322.10-100,180.82

Finding the Fourth Proportional to 324,825.36, 487,322.10 and 100,180.82

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Solution

The fourth proportional to 324,825.36, 487,322.10 and 100,180.82 is: 150,297.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,825.36 : 487,322.10 = 100,180.82 : x
  2. Step 2: Convert to fraction form
    324,825.36/487,322.10 = 100,180.82/x
  3. Step 3: Cross multiply
    324,825.36x = 487,322.10 × 100,180.82
  4. Step 4: Simplify right side
    324,825.36x = 48,820,327,582.12
  5. Step 5: Solve for x
    x = 48,820,327,582.12/324,825.36
  6. Step 6: Final answer
    x = 150,297.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.