Home / 132,626.12-183,026.40-72,198.52

Finding the Fourth Proportional to 132,626.12, 183,026.40 and 72,198.52

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Solution

The fourth proportional to 132,626.12, 183,026.40 and 72,198.52 is: 99,635.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,626.12 : 183,026.40 = 72,198.52 : x
  2. Step 2: Convert to fraction form
    132,626.12/183,026.40 = 72,198.52/x
  3. Step 3: Cross multiply
    132,626.12x = 183,026.40 × 72,198.52
  4. Step 4: Simplify right side
    132,626.12x = 13,214,235,200.93
  5. Step 5: Solve for x
    x = 13,214,235,200.93/132,626.12
  6. Step 6: Final answer
    x = 99,635.24

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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.