Home / 206,157.15-284,514.26-115,511.67

Finding the Fourth Proportional to 206,157.15, 284,514.26 and 115,511.67

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Solution

The fourth proportional to 206,157.15, 284,514.26 and 115,511.67 is: 159,415.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,157.15 : 284,514.26 = 115,511.67 : x
  2. Step 2: Convert to fraction form
    206,157.15/284,514.26 = 115,511.67/x
  3. Step 3: Cross multiply
    206,157.15x = 284,514.26 × 115,511.67
  4. Step 4: Simplify right side
    206,157.15x = 32,864,716,733.86
  5. Step 5: Solve for x
    x = 32,864,716,733.86/206,157.15
  6. Step 6: Final answer
    x = 159,415.85

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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.