Home / 131,468.10-196,975.35-61,203.30

Finding the Fourth Proportional to 131,468.10, 196,975.35 and 61,203.30

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Solution

The fourth proportional to 131,468.10, 196,975.35 and 61,203.30 is: 91,699.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,468.10 : 196,975.35 = 61,203.30 : x
  2. Step 2: Convert to fraction form
    131,468.10/196,975.35 = 61,203.30/x
  3. Step 3: Cross multiply
    131,468.10x = 196,975.35 × 61,203.30
  4. Step 4: Simplify right side
    131,468.10x = 12,055,541,438.66
  5. Step 5: Solve for x
    x = 12,055,541,438.66/131,468.10
  6. Step 6: Final answer
    x = 91,699.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.