Home / 115,773.07-159,613.68-83,480.67

Finding the Fourth Proportional to 115,773.07, 159,613.68 and 83,480.67

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Solution

The fourth proportional to 115,773.07, 159,613.68 and 83,480.67 is: 115,092.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,773.07 : 159,613.68 = 83,480.67 : x
  2. Step 2: Convert to fraction form
    115,773.07/159,613.68 = 83,480.67/x
  3. Step 3: Cross multiply
    115,773.07x = 159,613.68 × 83,480.67
  4. Step 4: Simplify right side
    115,773.07x = 13,324,656,947.57
  5. Step 5: Solve for x
    x = 13,324,656,947.57/115,773.07
  6. Step 6: Final answer
    x = 115,092.89

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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.