Home / 131,045.86-196,567.21-92,418.31

Finding the Fourth Proportional to 131,045.86, 196,567.21 and 92,418.31

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Solution

The fourth proportional to 131,045.86, 196,567.21 and 92,418.31 is: 138,626.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,045.86 : 196,567.21 = 92,418.31 : x
  2. Step 2: Convert to fraction form
    131,045.86/196,567.21 = 92,418.31/x
  3. Step 3: Cross multiply
    131,045.86x = 196,567.21 × 92,418.31
  4. Step 4: Simplify right side
    131,045.86x = 18,166,409,349.62
  5. Step 5: Solve for x
    x = 18,166,409,349.62/131,045.86
  6. Step 6: Final answer
    x = 138,626.35

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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.