Home / 132,502.45-182,856.39-72,076.32

Finding the Fourth Proportional to 132,502.45, 182,856.39 and 72,076.32

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Solution

The fourth proportional to 132,502.45, 182,856.39 and 72,076.32 is: 99,466.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,502.45 : 182,856.39 = 72,076.32 : x
  2. Step 2: Convert to fraction form
    132,502.45/182,856.39 = 72,076.32/x
  3. Step 3: Cross multiply
    132,502.45x = 182,856.39 × 72,076.32
  4. Step 4: Simplify right side
    132,502.45x = 13,179,615,679.68
  5. Step 5: Solve for x
    x = 13,179,615,679.68/132,502.45
  6. Step 6: Final answer
    x = 99,466.96

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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.