Home / 372,241.32-513,784.27-211,190.64

Finding the Fourth Proportional to 372,241.32, 513,784.27 and 211,190.64

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Solution

The fourth proportional to 372,241.32, 513,784.27 and 211,190.64 is: 291,494.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,241.32 : 513,784.27 = 211,190.64 : x
  2. Step 2: Convert to fraction form
    372,241.32/513,784.27 = 211,190.64/x
  3. Step 3: Cross multiply
    372,241.32x = 513,784.27 × 211,190.64
  4. Step 4: Simplify right side
    372,241.32x = 108,506,427,747.28
  5. Step 5: Solve for x
    x = 108,506,427,747.28/372,241.32
  6. Step 6: Final answer
    x = 291,494.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.