Home / 133,026.87-183,580.97-72,601.38

Finding the Fourth Proportional to 133,026.87, 183,580.97 and 72,601.38

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Solution

The fourth proportional to 133,026.87, 183,580.97 and 72,601.38 is: 100,192.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,026.87 : 183,580.97 = 72,601.38 : x
  2. Step 2: Convert to fraction form
    133,026.87/183,580.97 = 72,601.38/x
  3. Step 3: Cross multiply
    133,026.87x = 183,580.97 × 72,601.38
  4. Step 4: Simplify right side
    133,026.87x = 13,328,231,400.73
  5. Step 5: Solve for x
    x = 13,328,231,400.73/133,026.87
  6. Step 6: Final answer
    x = 100,192.03

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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.