Home / 132,471.88-182,718.66-89,956.60

Finding the Fourth Proportional to 132,471.88, 182,718.66 and 89,956.60

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Solution

The fourth proportional to 132,471.88, 182,718.66 and 89,956.60 is: 124,077.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,471.88 : 182,718.66 = 89,956.60 : x
  2. Step 2: Convert to fraction form
    132,471.88/182,718.66 = 89,956.60/x
  3. Step 3: Cross multiply
    132,471.88x = 182,718.66 × 89,956.60
  4. Step 4: Simplify right side
    132,471.88x = 16,436,749,410.16
  5. Step 5: Solve for x
    x = 16,436,749,410.16/132,471.88
  6. Step 6: Final answer
    x = 124,077.27

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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.