Home / 131,764.96-181,835.42-71,335.58

Finding the Fourth Proportional to 131,764.96, 181,835.42 and 71,335.58

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Solution

The fourth proportional to 131,764.96, 181,835.42 and 71,335.58 is: 98,442.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,764.96 : 181,835.42 = 71,335.58 : x
  2. Step 2: Convert to fraction form
    131,764.96/181,835.42 = 71,335.58/x
  3. Step 3: Cross multiply
    131,764.96x = 181,835.42 × 71,335.58
  4. Step 4: Simplify right side
    131,764.96x = 12,971,335,150.24
  5. Step 5: Solve for x
    x = 12,971,335,150.24/131,764.96
  6. Step 6: Final answer
    x = 98,442.98

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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.