Home / 313,982.16-470,994.84-103,767.72

Finding the Fourth Proportional to 313,982.16, 470,994.84 and 103,767.72

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Solution

The fourth proportional to 313,982.16, 470,994.84 and 103,767.72 is: 155,658.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,982.16 : 470,994.84 = 103,767.72 : x
  2. Step 2: Convert to fraction form
    313,982.16/470,994.84 = 103,767.72/x
  3. Step 3: Cross multiply
    313,982.16x = 470,994.84 × 103,767.72
  4. Step 4: Simplify right side
    313,982.16x = 48,874,060,678.56
  5. Step 5: Solve for x
    x = 48,874,060,678.56/313,982.16
  6. Step 6: Final answer
    x = 155,658.72

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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.