Home / 116,856.88-161,206.20-76,552.90

Finding the Fourth Proportional to 116,856.88, 161,206.20 and 76,552.90

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Solution

The fourth proportional to 116,856.88, 161,206.20 and 76,552.90 is: 105,606.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,856.88 : 161,206.20 = 76,552.90 : x
  2. Step 2: Convert to fraction form
    116,856.88/161,206.20 = 76,552.90/x
  3. Step 3: Cross multiply
    116,856.88x = 161,206.20 × 76,552.90
  4. Step 4: Simplify right side
    116,856.88x = 12,340,801,704.96
  5. Step 5: Solve for x
    x = 12,340,801,704.96/116,856.88
  6. Step 6: Final answer
    x = 105,606.12

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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.