Home / 133,805.18-200,314.11-89,321.60

Finding the Fourth Proportional to 133,805.18, 200,314.11 and 89,321.60

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Solution

The fourth proportional to 133,805.18, 200,314.11 and 89,321.60 is: 133,719.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,805.18 : 200,314.11 = 89,321.60 : x
  2. Step 2: Convert to fraction form
    133,805.18/200,314.11 = 89,321.60/x
  3. Step 3: Cross multiply
    133,805.18x = 200,314.11 × 89,321.60
  4. Step 4: Simplify right side
    133,805.18x = 17,892,377,643.52
  5. Step 5: Solve for x
    x = 17,892,377,643.52/133,805.18
  6. Step 6: Final answer
    x = 133,719.62

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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.