Home / 133,058.13-183,618.94-72,629.16

Finding the Fourth Proportional to 133,058.13, 183,618.94 and 72,629.16

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Solution

The fourth proportional to 133,058.13, 183,618.94 and 72,629.16 is: 100,227.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,058.13 : 183,618.94 = 72,629.16 : x
  2. Step 2: Convert to fraction form
    133,058.13/183,618.94 = 72,629.16/x
  3. Step 3: Cross multiply
    133,058.13x = 183,618.94 × 72,629.16
  4. Step 4: Simplify right side
    133,058.13x = 13,336,089,372.29
  5. Step 5: Solve for x
    x = 13,336,089,372.29/133,058.13
  6. Step 6: Final answer
    x = 100,227.54

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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.