Home / 133,058.68-183,616.42-79,316.04

Finding the Fourth Proportional to 133,058.68, 183,616.42 and 79,316.04

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Solution

The fourth proportional to 133,058.68, 183,616.42 and 79,316.04 is: 109,453.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,058.68 : 183,616.42 = 79,316.04 : x
  2. Step 2: Convert to fraction form
    133,058.68/183,616.42 = 79,316.04/x
  3. Step 3: Cross multiply
    133,058.68x = 183,616.42 × 79,316.04
  4. Step 4: Simplify right side
    133,058.68x = 14,563,727,313.38
  5. Step 5: Solve for x
    x = 14,563,727,313.38/133,058.68
  6. Step 6: Final answer
    x = 109,453.42

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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.