Home / 186,311.28-279,476.26-53,211.14

Finding the Fourth Proportional to 186,311.28, 279,476.26 and 53,211.14

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Solution

The fourth proportional to 186,311.28, 279,476.26 and 53,211.14 is: 79,819.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,311.28 : 279,476.26 = 53,211.14 : x
  2. Step 2: Convert to fraction form
    186,311.28/279,476.26 = 53,211.14/x
  3. Step 3: Cross multiply
    186,311.28x = 279,476.26 × 53,211.14
  4. Step 4: Simplify right side
    186,311.28x = 14,871,250,963.20
  5. Step 5: Solve for x
    x = 14,871,250,963.20/186,311.28
  6. Step 6: Final answer
    x = 79,819.38

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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.