Home / 152,268.57-228,418.07-52,415.55

Finding the Fourth Proportional to 152,268.57, 228,418.07 and 52,415.55

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Solution

The fourth proportional to 152,268.57, 228,418.07 and 52,415.55 is: 78,628.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,268.57 : 228,418.07 = 52,415.55 : x
  2. Step 2: Convert to fraction form
    152,268.57/228,418.07 = 52,415.55/x
  3. Step 3: Cross multiply
    152,268.57x = 228,418.07 × 52,415.55
  4. Step 4: Simplify right side
    152,268.57x = 11,972,658,506.91
  5. Step 5: Solve for x
    x = 11,972,658,506.91/152,268.57
  6. Step 6: Final answer
    x = 78,628.56

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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.