Home / 186,468.14-279,729.77-68,111.80

Finding the Fourth Proportional to 186,468.14, 279,729.77 and 68,111.80

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Solution

The fourth proportional to 186,468.14, 279,729.77 and 68,111.80 is: 102,177.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,468.14 : 279,729.77 = 68,111.80 : x
  2. Step 2: Convert to fraction form
    186,468.14/279,729.77 = 68,111.80/x
  3. Step 3: Cross multiply
    186,468.14x = 279,729.77 × 68,111.80
  4. Step 4: Simplify right side
    186,468.14x = 19,052,897,491.53
  5. Step 5: Solve for x
    x = 19,052,897,491.53/186,468.14
  6. Step 6: Final answer
    x = 102,177.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.