Home / 313,997.45-471,069.68-103,635.18

Finding the Fourth Proportional to 313,997.45, 471,069.68 and 103,635.18

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Solution

The fourth proportional to 313,997.45, 471,069.68 and 103,635.18 is: 155,477.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,997.45 : 471,069.68 = 103,635.18 : x
  2. Step 2: Convert to fraction form
    313,997.45/471,069.68 = 103,635.18/x
  3. Step 3: Cross multiply
    313,997.45x = 471,069.68 × 103,635.18
  4. Step 4: Simplify right side
    313,997.45x = 48,819,390,561.17
  5. Step 5: Solve for x
    x = 48,819,390,561.17/313,997.45
  6. Step 6: Final answer
    x = 155,477.03

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1.5x scale

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.