Home / 132,704.75-183,129.82-72,276.46

Finding the Fourth Proportional to 132,704.75, 183,129.82 and 72,276.46

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Solution

The fourth proportional to 132,704.75, 183,129.82 and 72,276.46 is: 99,740.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,704.75 : 183,129.82 = 72,276.46 : x
  2. Step 2: Convert to fraction form
    132,704.75/183,129.82 = 72,276.46/x
  3. Step 3: Cross multiply
    132,704.75x = 183,129.82 × 72,276.46
  4. Step 4: Simplify right side
    132,704.75x = 13,235,974,194.39
  5. Step 5: Solve for x
    x = 13,235,974,194.39/132,704.75
  6. Step 6: Final answer
    x = 99,740.02

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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.