Home / 116,220.30-174,330.45-109,221.90

Finding the Fourth Proportional to 116,220.30, 174,330.45 and 109,221.90

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Solution

The fourth proportional to 116,220.30, 174,330.45 and 109,221.90 is: 163,832.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,220.30 : 174,330.45 = 109,221.90 : x
  2. Step 2: Convert to fraction form
    116,220.30/174,330.45 = 109,221.90/x
  3. Step 3: Cross multiply
    116,220.30x = 174,330.45 × 109,221.90
  4. Step 4: Simplify right side
    116,220.30x = 19,040,702,976.86
  5. Step 5: Solve for x
    x = 19,040,702,976.86/116,220.30
  6. Step 6: Final answer
    x = 163,832.85

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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.