Home / 133,074.90-199,612.35-131,325.30

Finding the Fourth Proportional to 133,074.90, 199,612.35 and 131,325.30

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Solution

The fourth proportional to 133,074.90, 199,612.35 and 131,325.30 is: 196,987.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,074.90 : 199,612.35 = 131,325.30 : x
  2. Step 2: Convert to fraction form
    133,074.90/199,612.35 = 131,325.30/x
  3. Step 3: Cross multiply
    133,074.90x = 199,612.35 × 131,325.30
  4. Step 4: Simplify right side
    133,074.90x = 26,214,151,747.46
  5. Step 5: Solve for x
    x = 26,214,151,747.46/133,074.90
  6. Step 6: Final answer
    x = 196,987.95

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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.