Home / 401,923.11-603,068.84-174,288.51

Finding the Fourth Proportional to 401,923.11, 603,068.84 and 174,288.51

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Solution

The fourth proportional to 401,923.11, 603,068.84 and 174,288.51 is: 261,512.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,923.11 : 603,068.84 = 174,288.51 : x
  2. Step 2: Convert to fraction form
    401,923.11/603,068.84 = 174,288.51/x
  3. Step 3: Cross multiply
    401,923.11x = 603,068.84 × 174,288.51
  4. Step 4: Simplify right side
    401,923.11x = 105,107,970,313.54
  5. Step 5: Solve for x
    x = 105,107,970,313.54/401,923.11
  6. Step 6: Final answer
    x = 261,512.63

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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.