Home / 116,616.08-174,711.92-81,002.15

Finding the Fourth Proportional to 116,616.08, 174,711.92 and 81,002.15

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Solution

The fourth proportional to 116,616.08, 174,711.92 and 81,002.15 is: 121,355.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,616.08 : 174,711.92 = 81,002.15 : x
  2. Step 2: Convert to fraction form
    116,616.08/174,711.92 = 81,002.15/x
  3. Step 3: Cross multiply
    116,616.08x = 174,711.92 × 81,002.15
  4. Step 4: Simplify right side
    116,616.08x = 14,152,040,745.62
  5. Step 5: Solve for x
    x = 14,152,040,745.62/116,616.08
  6. Step 6: Final answer
    x = 121,355.83

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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.