Home / 313,610.40-432,819.45-186,286.50

Finding the Fourth Proportional to 313,610.40, 432,819.45 and 186,286.50

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Solution

The fourth proportional to 313,610.40, 432,819.45 and 186,286.50 is: 257,097.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,610.40 : 432,819.45 = 186,286.50 : x
  2. Step 2: Convert to fraction form
    313,610.40/432,819.45 = 186,286.50/x
  3. Step 3: Cross multiply
    313,610.40x = 432,819.45 × 186,286.50
  4. Step 4: Simplify right side
    313,610.40x = 80,628,420,472.43
  5. Step 5: Solve for x
    x = 80,628,420,472.43/313,610.40
  6. Step 6: Final answer
    x = 257,097.41

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1.5x scale

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.