Home / 132,544.50-182,912.22-72,115.58

Finding the Fourth Proportional to 132,544.50, 182,912.22 and 72,115.58

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Solution

The fourth proportional to 132,544.50, 182,912.22 and 72,115.58 is: 99,519.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,544.50 : 182,912.22 = 72,115.58 : x
  2. Step 2: Convert to fraction form
    132,544.50/182,912.22 = 72,115.58/x
  3. Step 3: Cross multiply
    132,544.50x = 182,912.22 × 72,115.58
  4. Step 4: Simplify right side
    132,544.50x = 13,190,820,834.39
  5. Step 5: Solve for x
    x = 13,190,820,834.39/132,544.50
  6. Step 6: Final answer
    x = 99,519.94

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1.5x scale

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.