Home / 133,262.09-183,901.24-72,832.72

Finding the Fourth Proportional to 133,262.09, 183,901.24 and 72,832.72

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Solution

The fourth proportional to 133,262.09, 183,901.24 and 72,832.72 is: 100,508.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,262.09 : 183,901.24 = 72,832.72 : x
  2. Step 2: Convert to fraction form
    133,262.09/183,901.24 = 72,832.72/x
  3. Step 3: Cross multiply
    133,262.09x = 183,901.24 × 72,832.72
  4. Step 4: Simplify right side
    133,262.09x = 13,394,027,520.57
  5. Step 5: Solve for x
    x = 13,394,027,520.57/133,262.09
  6. Step 6: Final answer
    x = 100,508.91

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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.