Home / 132,544.67-182,913.53-72,115.36

Finding the Fourth Proportional to 132,544.67, 182,913.53 and 72,115.36

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Solution

The fourth proportional to 132,544.67, 182,913.53 and 72,115.36 is: 99,520.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,544.67 : 182,913.53 = 72,115.36 : x
  2. Step 2: Convert to fraction form
    132,544.67/182,913.53 = 72,115.36/x
  3. Step 3: Cross multiply
    132,544.67x = 182,913.53 × 72,115.36
  4. Step 4: Simplify right side
    132,544.67x = 13,190,874,246.96
  5. Step 5: Solve for x
    x = 13,190,874,246.96/132,544.67
  6. Step 6: Final answer
    x = 99,520.21

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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.