Home / 186,944.12-280,406.86-68,606.15

Finding the Fourth Proportional to 186,944.12, 280,406.86 and 68,606.15

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Solution

The fourth proportional to 186,944.12, 280,406.86 and 68,606.15 is: 102,905.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,944.12 : 280,406.86 = 68,606.15 : x
  2. Step 2: Convert to fraction form
    186,944.12/280,406.86 = 68,606.15/x
  3. Step 3: Cross multiply
    186,944.12x = 280,406.86 × 68,606.15
  4. Step 4: Simplify right side
    186,944.12x = 19,237,635,098.19
  5. Step 5: Solve for x
    x = 19,237,635,098.19/186,944.12
  6. Step 6: Final answer
    x = 102,905.80

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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.