Home / 257,416.11-355,233.60-144,238.86

Finding the Fourth Proportional to 257,416.11, 355,233.60 and 144,238.86

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Solution

The fourth proportional to 257,416.11, 355,233.60 and 144,238.86 is: 199,049.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,416.11 : 355,233.60 = 144,238.86 : x
  2. Step 2: Convert to fraction form
    257,416.11/355,233.60 = 144,238.86/x
  3. Step 3: Cross multiply
    257,416.11x = 355,233.60 × 144,238.86
  4. Step 4: Simplify right side
    257,416.11x = 51,238,489,497.70
  5. Step 5: Solve for x
    x = 51,238,489,497.70/257,416.11
  6. Step 6: Final answer
    x = 199,049.27

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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.