Home / 141,815.73-195,715.38-86,648.67

Finding the Fourth Proportional to 141,815.73, 195,715.38 and 86,648.67

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Solution

The fourth proportional to 141,815.73, 195,715.38 and 86,648.67 is: 119,581.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,815.73 : 195,715.38 = 86,648.67 : x
  2. Step 2: Convert to fraction form
    141,815.73/195,715.38 = 86,648.67/x
  3. Step 3: Cross multiply
    141,815.73x = 195,715.38 × 86,648.67
  4. Step 4: Simplify right side
    141,815.73x = 16,958,477,375.54
  5. Step 5: Solve for x
    x = 16,958,477,375.54/141,815.73
  6. Step 6: Final answer
    x = 119,581.07

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1.5x scale

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.