Home / 131,528.44-197,357.46-61,412.68

Finding the Fourth Proportional to 131,528.44, 197,357.46 and 61,412.68

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Solution

The fourth proportional to 131,528.44, 197,357.46 and 61,412.68 is: 92,149.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,528.44 : 197,357.46 = 61,412.68 : x
  2. Step 2: Convert to fraction form
    131,528.44/197,357.46 = 61,412.68/x
  3. Step 3: Cross multiply
    131,528.44x = 197,357.46 × 61,412.68
  4. Step 4: Simplify right side
    131,528.44x = 12,120,250,536.59
  5. Step 5: Solve for x
    x = 12,120,250,536.59/131,528.44
  6. Step 6: Final answer
    x = 92,149.28

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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.