Home / 140,446.77-193,918.01-86,805.33

Finding the Fourth Proportional to 140,446.77, 193,918.01 and 86,805.33

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Solution

The fourth proportional to 140,446.77, 193,918.01 and 86,805.33 is: 119,854.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,446.77 : 193,918.01 = 86,805.33 : x
  2. Step 2: Convert to fraction form
    140,446.77/193,918.01 = 86,805.33/x
  3. Step 3: Cross multiply
    140,446.77x = 193,918.01 × 86,805.33
  4. Step 4: Simplify right side
    140,446.77x = 16,833,116,850.99
  5. Step 5: Solve for x
    x = 16,833,116,850.99/140,446.77
  6. Step 6: Final answer
    x = 119,854.07

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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.