Home / 313,614.40-432,824.97-186,290.50

Finding the Fourth Proportional to 313,614.40, 432,824.97 and 186,290.50

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Solution

The fourth proportional to 313,614.40, 432,824.97 and 186,290.50 is: 257,102.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,614.40 : 432,824.97 = 186,290.50 : x
  2. Step 2: Convert to fraction form
    313,614.40/432,824.97 = 186,290.50/x
  3. Step 3: Cross multiply
    313,614.40x = 432,824.97 × 186,290.50
  4. Step 4: Simplify right side
    313,614.40x = 80,631,180,073.79
  5. Step 5: Solve for x
    x = 80,631,180,073.79/313,614.40
  6. Step 6: Final answer
    x = 257,102.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.