Home / 372,109.35-513,468.14-210,932.31

Finding the Fourth Proportional to 372,109.35, 513,468.14 and 210,932.31

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Solution

The fourth proportional to 372,109.35, 513,468.14 and 210,932.31 is: 291,062.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,109.35 : 513,468.14 = 210,932.31 : x
  2. Step 2: Convert to fraction form
    372,109.35/513,468.14 = 210,932.31/x
  3. Step 3: Cross multiply
    372,109.35x = 513,468.14 × 210,932.31
  4. Step 4: Simplify right side
    372,109.35x = 108,307,019,826.94
  5. Step 5: Solve for x
    x = 108,307,019,826.94/372,109.35
  6. Step 6: Final answer
    x = 291,062.34

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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.