Home / 387,150.24-534,325.20-236,334.72

Finding the Fourth Proportional to 387,150.24, 534,325.20 and 236,334.72

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Solution

The fourth proportional to 387,150.24, 534,325.20 and 236,334.72 is: 326,177.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,150.24 : 534,325.20 = 236,334.72 : x
  2. Step 2: Convert to fraction form
    387,150.24/534,325.20 = 236,334.72/x
  3. Step 3: Cross multiply
    387,150.24x = 534,325.20 × 236,334.72
  4. Step 4: Simplify right side
    387,150.24x = 126,279,596,530.94
  5. Step 5: Solve for x
    x = 126,279,596,530.94/387,150.24
  6. Step 6: Final answer
    x = 326,177.24

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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.