Home / 313,820.97-470,466.18-136,194.45

Finding the Fourth Proportional to 313,820.97, 470,466.18 and 136,194.45

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Solution

The fourth proportional to 313,820.97, 470,466.18 and 136,194.45 is: 204,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,820.97 : 470,466.18 = 136,194.45 : x
  2. Step 2: Convert to fraction form
    313,820.97/470,466.18 = 136,194.45/x
  3. Step 3: Cross multiply
    313,820.97x = 470,466.18 × 136,194.45
  4. Step 4: Simplify right side
    313,820.97x = 64,074,882,628.70
  5. Step 5: Solve for x
    x = 64,074,882,628.70/313,820.97
  6. Step 6: Final answer
    x = 204,176.55

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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.