Home / 186,622.80-279,932.92-46,381.20

Finding the Fourth Proportional to 186,622.80, 279,932.92 and 46,381.20

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Solution

The fourth proportional to 186,622.80, 279,932.92 and 46,381.20 is: 69,571.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,622.80 : 279,932.92 = 46,381.20 : x
  2. Step 2: Convert to fraction form
    186,622.80/279,932.92 = 46,381.20/x
  3. Step 3: Cross multiply
    186,622.80x = 279,932.92 × 46,381.20
  4. Step 4: Simplify right side
    186,622.80x = 12,983,624,749.10
  5. Step 5: Solve for x
    x = 12,983,624,749.10/186,622.80
  6. Step 6: Final answer
    x = 69,571.48

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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.