Home / 141,887.86-195,805.18-81,462.40

Finding the Fourth Proportional to 141,887.86, 195,805.18 and 81,462.40

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Solution

The fourth proportional to 141,887.86, 195,805.18 and 81,462.40 is: 112,418.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,887.86 : 195,805.18 = 81,462.40 : x
  2. Step 2: Convert to fraction form
    141,887.86/195,805.18 = 81,462.40/x
  3. Step 3: Cross multiply
    141,887.86x = 195,805.18 × 81,462.40
  4. Step 4: Simplify right side
    141,887.86x = 15,950,758,508.89
  5. Step 5: Solve for x
    x = 15,950,758,508.89/141,887.86
  6. Step 6: Final answer
    x = 112,418.07

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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.