Home / 141,789.03-195,667.30-80,534.81

Finding the Fourth Proportional to 141,789.03, 195,667.30 and 80,534.81

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Solution

The fourth proportional to 141,789.03, 195,667.30 and 80,534.81 is: 111,137.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,789.03 : 195,667.30 = 80,534.81 : x
  2. Step 2: Convert to fraction form
    141,789.03/195,667.30 = 80,534.81/x
  3. Step 3: Cross multiply
    141,789.03x = 195,667.30 × 80,534.81
  4. Step 4: Simplify right side
    141,789.03x = 15,758,028,828.71
  5. Step 5: Solve for x
    x = 15,758,028,828.71/141,789.03
  6. Step 6: Final answer
    x = 111,137.15

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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.