Home / 141,371.12-195,010.80-84,749.60

Finding the Fourth Proportional to 141,371.12, 195,010.80 and 84,749.60

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Solution

The fourth proportional to 141,371.12, 195,010.80 and 84,749.60 is: 116,905.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,371.12 : 195,010.80 = 84,749.60 : x
  2. Step 2: Convert to fraction form
    141,371.12/195,010.80 = 84,749.60/x
  3. Step 3: Cross multiply
    141,371.12x = 195,010.80 × 84,749.60
  4. Step 4: Simplify right side
    141,371.12x = 16,527,087,295.68
  5. Step 5: Solve for x
    x = 16,527,087,295.68/141,371.12
  6. Step 6: Final answer
    x = 116,905.68

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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.