Home / 372,241.07-513,783.92-211,190.39

Finding the Fourth Proportional to 372,241.07, 513,783.92 and 211,190.39

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Solution

The fourth proportional to 372,241.07, 513,783.92 and 211,190.39 is: 291,494.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,241.07 : 513,783.92 = 211,190.39 : x
  2. Step 2: Convert to fraction form
    372,241.07/513,783.92 = 211,190.39/x
  3. Step 3: Cross multiply
    372,241.07x = 513,783.92 × 211,190.39
  4. Step 4: Simplify right side
    372,241.07x = 108,506,226,440.53
  5. Step 5: Solve for x
    x = 108,506,226,440.53/372,241.07
  6. Step 6: Final answer
    x = 291,494.51

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1.5x scale

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.