Home / 372,240.82-513,783.57-211,190.14

Finding the Fourth Proportional to 372,240.82, 513,783.57 and 211,190.14

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Solution

The fourth proportional to 372,240.82, 513,783.57 and 211,190.14 is: 291,494.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,240.82 : 513,783.57 = 211,190.14 : x
  2. Step 2: Convert to fraction form
    372,240.82/513,783.57 = 211,190.14/x
  3. Step 3: Cross multiply
    372,240.82x = 513,783.57 × 211,190.14
  4. Step 4: Simplify right side
    372,240.82x = 108,506,024,078.00
  5. Step 5: Solve for x
    x = 108,506,024,078.00/372,240.82
  6. Step 6: Final answer
    x = 291,494.16

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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.