Home / 132,544.89-182,911.95-72,115.56

Finding the Fourth Proportional to 132,544.89, 182,911.95 and 72,115.56

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Solution

The fourth proportional to 132,544.89, 182,911.95 and 72,115.56 is: 99,519.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,544.89 : 182,911.95 = 72,115.56 : x
  2. Step 2: Convert to fraction form
    132,544.89/182,911.95 = 72,115.56/x
  3. Step 3: Cross multiply
    132,544.89x = 182,911.95 × 72,115.56
  4. Step 4: Simplify right side
    132,544.89x = 13,190,797,704.94
  5. Step 5: Solve for x
    x = 13,190,797,704.94/132,544.89
  6. Step 6: Final answer
    x = 99,519.47

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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.