Home / 116,147.15-160,339.39-77,892.77

Finding the Fourth Proportional to 116,147.15, 160,339.39 and 77,892.77

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Solution

The fourth proportional to 116,147.15, 160,339.39 and 77,892.77 is: 107,529.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,147.15 : 160,339.39 = 77,892.77 : x
  2. Step 2: Convert to fraction form
    116,147.15/160,339.39 = 77,892.77/x
  3. Step 3: Cross multiply
    116,147.15x = 160,339.39 × 77,892.77
  4. Step 4: Simplify right side
    116,147.15x = 12,489,278,230.78
  5. Step 5: Solve for x
    x = 12,489,278,230.78/116,147.15
  6. Step 6: Final answer
    x = 107,529.78

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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.