Home / 141,456.31-195,212.07-81,032.22

Finding the Fourth Proportional to 141,456.31, 195,212.07 and 81,032.22

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Solution

The fourth proportional to 141,456.31, 195,212.07 and 81,032.22 is: 111,825.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,456.31 : 195,212.07 = 81,032.22 : x
  2. Step 2: Convert to fraction form
    141,456.31/195,212.07 = 81,032.22/x
  3. Step 3: Cross multiply
    141,456.31x = 195,212.07 × 81,032.22
  4. Step 4: Simplify right side
    141,456.31x = 15,818,467,402.90
  5. Step 5: Solve for x
    x = 15,818,467,402.90/141,456.31
  6. Step 6: Final answer
    x = 111,825.82

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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.