Home / 132,271.96-182,536.63-71,843.78

Finding the Fourth Proportional to 132,271.96, 182,536.63 and 71,843.78

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Solution

The fourth proportional to 132,271.96, 182,536.63 and 71,843.78 is: 99,145.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,271.96 : 182,536.63 = 71,843.78 : x
  2. Step 2: Convert to fraction form
    132,271.96/182,536.63 = 71,843.78/x
  3. Step 3: Cross multiply
    132,271.96x = 182,536.63 × 71,843.78
  4. Step 4: Simplify right side
    132,271.96x = 13,114,121,764.39
  5. Step 5: Solve for x
    x = 13,114,121,764.39/132,271.96
  6. Step 6: Final answer
    x = 99,145.14

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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.