Home / 141,937.48-195,645.26-103,636.30

Finding the Fourth Proportional to 141,937.48, 195,645.26 and 103,636.30

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Solution

The fourth proportional to 141,937.48, 195,645.26 and 103,636.30 is: 142,851.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,937.48 : 195,645.26 = 103,636.30 : x
  2. Step 2: Convert to fraction form
    141,937.48/195,645.26 = 103,636.30/x
  3. Step 3: Cross multiply
    141,937.48x = 195,645.26 × 103,636.30
  4. Step 4: Simplify right side
    141,937.48x = 20,275,950,858.94
  5. Step 5: Solve for x
    x = 20,275,950,858.94/141,937.48
  6. Step 6: Final answer
    x = 142,851.28

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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.