Home / 134,188.12-185,187.90-111,793.24

Finding the Fourth Proportional to 134,188.12, 185,187.90 and 111,793.24

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Solution

The fourth proportional to 134,188.12, 185,187.90 and 111,793.24 is: 154,281.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,188.12 : 185,187.90 = 111,793.24 : x
  2. Step 2: Convert to fraction form
    134,188.12/185,187.90 = 111,793.24/x
  3. Step 3: Cross multiply
    134,188.12x = 185,187.90 × 111,793.24
  4. Step 4: Simplify right side
    134,188.12x = 20,702,755,349.80
  5. Step 5: Solve for x
    x = 20,702,755,349.80/134,188.12
  6. Step 6: Final answer
    x = 154,281.58

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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.