Home / 347,716.76-521,574.78-111,077.60

Finding the Fourth Proportional to 347,716.76, 521,574.78 and 111,077.60

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Solution

The fourth proportional to 347,716.76, 521,574.78 and 111,077.60 is: 166,616.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,716.76 : 521,574.78 = 111,077.60 : x
  2. Step 2: Convert to fraction form
    347,716.76/521,574.78 = 111,077.60/x
  3. Step 3: Cross multiply
    347,716.76x = 521,574.78 × 111,077.60
  4. Step 4: Simplify right side
    347,716.76x = 57,935,274,782.93
  5. Step 5: Solve for x
    x = 57,935,274,782.93/347,716.76
  6. Step 6: Final answer
    x = 166,616.28

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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.