Home / 133,112.16-199,609.38-49,947.84

Finding the Fourth Proportional to 133,112.16, 199,609.38 and 49,947.84

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Solution

The fourth proportional to 133,112.16, 199,609.38 and 49,947.84 is: 74,899.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,112.16 : 199,609.38 = 49,947.84 : x
  2. Step 2: Convert to fraction form
    133,112.16/199,609.38 = 49,947.84/x
  3. Step 3: Cross multiply
    133,112.16x = 199,609.38 × 49,947.84
  4. Step 4: Simplify right side
    133,112.16x = 9,970,057,374.74
  5. Step 5: Solve for x
    x = 9,970,057,374.74/133,112.16
  6. Step 6: Final answer
    x = 74,899.67

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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.