Home / 445,744.03-668,935.28-189,756.07

Finding the Fourth Proportional to 445,744.03, 668,935.28 and 189,756.07

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Solution

The fourth proportional to 445,744.03, 668,935.28 and 189,756.07 is: 284,770.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,744.03 : 668,935.28 = 189,756.07 : x
  2. Step 2: Convert to fraction form
    445,744.03/668,935.28 = 189,756.07/x
  3. Step 3: Cross multiply
    445,744.03x = 668,935.28 × 189,756.07
  4. Step 4: Simplify right side
    445,744.03x = 126,934,529,817.15
  5. Step 5: Solve for x
    x = 126,934,529,817.15/445,744.03
  6. Step 6: Final answer
    x = 284,770.01

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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.