Home / 132,556.59-182,927.27-72,127.45

Finding the Fourth Proportional to 132,556.59, 182,927.27 and 72,127.45

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Solution

The fourth proportional to 132,556.59, 182,927.27 and 72,127.45 is: 99,535.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,556.59 : 182,927.27 = 72,127.45 : x
  2. Step 2: Convert to fraction form
    132,556.59/182,927.27 = 72,127.45/x
  3. Step 3: Cross multiply
    132,556.59x = 182,927.27 × 72,127.45
  4. Step 4: Simplify right side
    132,556.59x = 13,194,077,520.56
  5. Step 5: Solve for x
    x = 13,194,077,520.56/132,556.59
  6. Step 6: Final answer
    x = 99,535.43

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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.