Home / 132,881.26-183,377.58-72,451.42

Finding the Fourth Proportional to 132,881.26, 183,377.58 and 72,451.42

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Solution

The fourth proportional to 132,881.26, 183,377.58 and 72,451.42 is: 99,983.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,881.26 : 183,377.58 = 72,451.42 : x
  2. Step 2: Convert to fraction form
    132,881.26/183,377.58 = 72,451.42/x
  3. Step 3: Cross multiply
    132,881.26x = 183,377.58 × 72,451.42
  4. Step 4: Simplify right side
    132,881.26x = 13,285,966,067.16
  5. Step 5: Solve for x
    x = 13,285,966,067.16/132,881.26
  6. Step 6: Final answer
    x = 99,983.75

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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.