Home / 186,199.56-279,263.30-72,347.18

Finding the Fourth Proportional to 186,199.56, 279,263.30 and 72,347.18

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Solution

The fourth proportional to 186,199.56, 279,263.30 and 72,347.18 is: 108,506.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,199.56 : 279,263.30 = 72,347.18 : x
  2. Step 2: Convert to fraction form
    186,199.56/279,263.30 = 72,347.18/x
  3. Step 3: Cross multiply
    186,199.56x = 279,263.30 × 72,347.18
  4. Step 4: Simplify right side
    186,199.56x = 20,203,910,474.44
  5. Step 5: Solve for x
    x = 20,203,910,474.44/186,199.56
  6. Step 6: Final answer
    x = 108,506.76

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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.