Home / 145,177.14-217,765.71-39,996.12

Finding the Fourth Proportional to 145,177.14, 217,765.71 and 39,996.12

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Solution

The fourth proportional to 145,177.14, 217,765.71 and 39,996.12 is: 59,994.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,177.14 : 217,765.71 = 39,996.12 : x
  2. Step 2: Convert to fraction form
    145,177.14/217,765.71 = 39,996.12/x
  3. Step 3: Cross multiply
    145,177.14x = 217,765.71 × 39,996.12
  4. Step 4: Simplify right side
    145,177.14x = 8,709,783,469.05
  5. Step 5: Solve for x
    x = 8,709,783,469.05/145,177.14
  6. Step 6: Final answer
    x = 59,994.18

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Similar ratio
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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.