Home / 132,589.72-182,880.66-87,253.24

Finding the Fourth Proportional to 132,589.72, 182,880.66 and 87,253.24

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Solution

The fourth proportional to 132,589.72, 182,880.66 and 87,253.24 is: 120,348.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,589.72 : 182,880.66 = 87,253.24 : x
  2. Step 2: Convert to fraction form
    132,589.72/182,880.66 = 87,253.24/x
  3. Step 3: Cross multiply
    132,589.72x = 182,880.66 × 87,253.24
  4. Step 4: Simplify right side
    132,589.72x = 15,956,930,118.34
  5. Step 5: Solve for x
    x = 15,956,930,118.34/132,589.72
  6. Step 6: Final answer
    x = 120,348.17

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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.