Home / 372,131.14-513,554.52-213,185.86

Finding the Fourth Proportional to 372,131.14, 513,554.52 and 213,185.86

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Solution

The fourth proportional to 372,131.14, 513,554.52 and 213,185.86 is: 294,204.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,131.14 : 513,554.52 = 213,185.86 : x
  2. Step 2: Convert to fraction form
    372,131.14/513,554.52 = 213,185.86/x
  3. Step 3: Cross multiply
    372,131.14x = 513,554.52 × 213,185.86
  4. Step 4: Simplify right side
    372,131.14x = 109,482,562,003.09
  5. Step 5: Solve for x
    x = 109,482,562,003.09/372,131.14
  6. Step 6: Final answer
    x = 294,204.25

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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.