Home / 141,822.24-195,719.18-81,403.98

Finding the Fourth Proportional to 141,822.24, 195,719.18 and 81,403.98

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Solution

The fourth proportional to 141,822.24, 195,719.18 and 81,403.98 is: 112,340.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,822.24 : 195,719.18 = 81,403.98 : x
  2. Step 2: Convert to fraction form
    141,822.24/195,719.18 = 81,403.98/x
  3. Step 3: Cross multiply
    141,822.24x = 195,719.18 × 81,403.98
  4. Step 4: Simplify right side
    141,822.24x = 15,932,320,214.34
  5. Step 5: Solve for x
    x = 15,932,320,214.34/141,822.24
  6. Step 6: Final answer
    x = 112,340.07

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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.