Home / 368,392.22-552,588.33-131,720.55

Finding the Fourth Proportional to 368,392.22, 552,588.33 and 131,720.55

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Solution

The fourth proportional to 368,392.22, 552,588.33 and 131,720.55 is: 197,580.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,392.22 : 552,588.33 = 131,720.55 : x
  2. Step 2: Convert to fraction form
    368,392.22/552,588.33 = 131,720.55/x
  3. Step 3: Cross multiply
    368,392.22x = 552,588.33 × 131,720.55
  4. Step 4: Simplify right side
    368,392.22x = 72,787,235,329.64
  5. Step 5: Solve for x
    x = 72,787,235,329.64/368,392.22
  6. Step 6: Final answer
    x = 197,580.82

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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.