Home / 132,276.64-182,465.04-86,962.72

Finding the Fourth Proportional to 132,276.64, 182,465.04 and 86,962.72

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Solution

The fourth proportional to 132,276.64, 182,465.04 and 86,962.72 is: 119,958.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,276.64 : 182,465.04 = 86,962.72 : x
  2. Step 2: Convert to fraction form
    132,276.64/182,465.04 = 86,962.72/x
  3. Step 3: Cross multiply
    132,276.64x = 182,465.04 × 86,962.72
  4. Step 4: Simplify right side
    132,276.64x = 15,867,656,183.31
  5. Step 5: Solve for x
    x = 15,867,656,183.31/132,276.64
  6. Step 6: Final answer
    x = 119,958.11

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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.