Home / 131,337.60-197,067.92-64,741.36

Finding the Fourth Proportional to 131,337.60, 197,067.92 and 64,741.36

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Solution

The fourth proportional to 131,337.60, 197,067.92 and 64,741.36 is: 97,142.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,337.60 : 197,067.92 = 64,741.36 : x
  2. Step 2: Convert to fraction form
    131,337.60/197,067.92 = 64,741.36/x
  3. Step 3: Cross multiply
    131,337.60x = 197,067.92 × 64,741.36
  4. Step 4: Simplify right side
    131,337.60x = 12,758,445,153.17
  5. Step 5: Solve for x
    x = 12,758,445,153.17/131,337.60
  6. Step 6: Final answer
    x = 97,142.37

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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.