Home / 141,887.11-195,804.14-81,461.65

Finding the Fourth Proportional to 141,887.11, 195,804.14 and 81,461.65

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Solution

The fourth proportional to 141,887.11, 195,804.14 and 81,461.65 is: 112,417.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,887.11 : 195,804.14 = 81,461.65 : x
  2. Step 2: Convert to fraction form
    141,887.11/195,804.14 = 81,461.65/x
  3. Step 3: Cross multiply
    141,887.11x = 195,804.14 × 81,461.65
  4. Step 4: Simplify right side
    141,887.11x = 15,950,527,545.86
  5. Step 5: Solve for x
    x = 15,950,527,545.86/141,887.11
  6. Step 6: Final answer
    x = 112,417.03

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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.