Home / 132,410.31-182,724.07-71,982.47

Finding the Fourth Proportional to 132,410.31, 182,724.07 and 71,982.47

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Solution

The fourth proportional to 132,410.31, 182,724.07 and 71,982.47 is: 99,334.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,410.31 : 182,724.07 = 71,982.47 : x
  2. Step 2: Convert to fraction form
    132,410.31/182,724.07 = 71,982.47/x
  3. Step 3: Cross multiply
    132,410.31x = 182,724.07 × 71,982.47
  4. Step 4: Simplify right side
    132,410.31x = 13,152,929,887.05
  5. Step 5: Solve for x
    x = 13,152,929,887.05/132,410.31
  6. Step 6: Final answer
    x = 99,334.64

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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.