Home / 141,849.93-195,738.48-81,406.11

Finding the Fourth Proportional to 141,849.93, 195,738.48 and 81,406.11

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Solution

The fourth proportional to 141,849.93, 195,738.48 and 81,406.11 is: 112,332.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,849.93 : 195,738.48 = 81,406.11 : x
  2. Step 2: Convert to fraction form
    141,849.93/195,738.48 = 81,406.11/x
  3. Step 3: Cross multiply
    141,849.93x = 195,738.48 × 81,406.11
  4. Step 4: Simplify right side
    141,849.93x = 15,934,308,234.11
  5. Step 5: Solve for x
    x = 15,934,308,234.11/141,849.93
  6. Step 6: Final answer
    x = 112,332.15

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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.