Home / 132,031.81-182,201.56-75,441.97

Finding the Fourth Proportional to 132,031.81, 182,201.56 and 75,441.97

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Solution

The fourth proportional to 132,031.81, 182,201.56 and 75,441.97 is: 104,108.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,031.81 : 182,201.56 = 75,441.97 : x
  2. Step 2: Convert to fraction form
    132,031.81/182,201.56 = 75,441.97/x
  3. Step 3: Cross multiply
    132,031.81x = 182,201.56 × 75,441.97
  4. Step 4: Simplify right side
    132,031.81x = 13,745,644,623.47
  5. Step 5: Solve for x
    x = 13,745,644,623.47/132,031.81
  6. Step 6: Final answer
    x = 104,108.58

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1.5x scale

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.