Home / 186,503.20-279,756.72-149,299.81

Finding the Fourth Proportional to 186,503.20, 279,756.72 and 149,299.81

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Solution

The fourth proportional to 186,503.20, 279,756.72 and 149,299.81 is: 223,951.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,503.20 : 279,756.72 = 149,299.81 : x
  2. Step 2: Convert to fraction form
    186,503.20/279,756.72 = 149,299.81/x
  3. Step 3: Cross multiply
    186,503.20x = 279,756.72 × 149,299.81
  4. Step 4: Simplify right side
    186,503.20x = 41,767,624,442.83
  5. Step 5: Solve for x
    x = 41,767,624,442.83/186,503.20
  6. Step 6: Final answer
    x = 223,951.25

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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.