Home / 131,656.96-197,514.66-51,702.64

Finding the Fourth Proportional to 131,656.96, 197,514.66 and 51,702.64

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Solution

The fourth proportional to 131,656.96, 197,514.66 and 51,702.64 is: 77,565.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,656.96 : 197,514.66 = 51,702.64 : x
  2. Step 2: Convert to fraction form
    131,656.96/197,514.66 = 51,702.64/x
  3. Step 3: Cross multiply
    131,656.96x = 197,514.66 × 51,702.64
  4. Step 4: Simplify right side
    131,656.96x = 10,212,029,360.70
  5. Step 5: Solve for x
    x = 10,212,029,360.70/131,656.96
  6. Step 6: Final answer
    x = 77,565.43

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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.