Home / 186,591.36-279,969.54-97,823.64

Finding the Fourth Proportional to 186,591.36, 279,969.54 and 97,823.64

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Solution

The fourth proportional to 186,591.36, 279,969.54 and 97,823.64 is: 146,778.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,591.36 : 279,969.54 = 97,823.64 : x
  2. Step 2: Convert to fraction form
    186,591.36/279,969.54 = 97,823.64/x
  3. Step 3: Cross multiply
    186,591.36x = 279,969.54 × 97,823.64
  4. Step 4: Simplify right side
    186,591.36x = 27,387,639,491.93
  5. Step 5: Solve for x
    x = 27,387,639,491.93/186,591.36
  6. Step 6: Final answer
    x = 146,778.71

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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.