Home / 313,186.40-432,195.04-169,942.80

Finding the Fourth Proportional to 313,186.40, 432,195.04 and 169,942.80

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Solution

The fourth proportional to 313,186.40, 432,195.04 and 169,942.80 is: 234,519.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,186.40 : 432,195.04 = 169,942.80 : x
  2. Step 2: Convert to fraction form
    313,186.40/432,195.04 = 169,942.80/x
  3. Step 3: Cross multiply
    313,186.40x = 432,195.04 × 169,942.80
  4. Step 4: Simplify right side
    313,186.40x = 73,448,435,243.71
  5. Step 5: Solve for x
    x = 73,448,435,243.71/313,186.40
  6. Step 6: Final answer
    x = 234,519.87

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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.