Home / 313,732.20-470,672.10-103,370.13

Finding the Fourth Proportional to 313,732.20, 470,672.10 and 103,370.13

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Solution

The fourth proportional to 313,732.20, 470,672.10 and 103,370.13 is: 155,079.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,732.20 : 470,672.10 = 103,370.13 : x
  2. Step 2: Convert to fraction form
    313,732.20/470,672.10 = 103,370.13/x
  3. Step 3: Cross multiply
    313,732.20x = 470,672.10 × 103,370.13
  4. Step 4: Simplify right side
    313,732.20x = 48,653,436,164.37
  5. Step 5: Solve for x
    x = 48,653,436,164.37/313,732.20
  6. Step 6: Final answer
    x = 155,079.51

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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.