Home / 186,579.38-279,867.51-53,459.75

Finding the Fourth Proportional to 186,579.38, 279,867.51 and 53,459.75

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Solution

The fourth proportional to 186,579.38, 279,867.51 and 53,459.75 is: 80,189.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,579.38 : 279,867.51 = 53,459.75 : x
  2. Step 2: Convert to fraction form
    186,579.38/279,867.51 = 53,459.75/x
  3. Step 3: Cross multiply
    186,579.38x = 279,867.51 × 53,459.75
  4. Step 4: Simplify right side
    186,579.38x = 14,961,645,718.39
  5. Step 5: Solve for x
    x = 14,961,645,718.39/186,579.38
  6. Step 6: Final answer
    x = 80,189.17

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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.