Home / 133,104.48-183,724.08-79,427.04

Finding the Fourth Proportional to 133,104.48, 183,724.08 and 79,427.04

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Solution

The fourth proportional to 133,104.48, 183,724.08 and 79,427.04 is: 109,633.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,104.48 : 183,724.08 = 79,427.04 : x
  2. Step 2: Convert to fraction form
    133,104.48/183,724.08 = 79,427.04/x
  3. Step 3: Cross multiply
    133,104.48x = 183,724.08 × 79,427.04
  4. Step 4: Simplify right side
    133,104.48x = 14,592,659,851.12
  5. Step 5: Solve for x
    x = 14,592,659,851.12/133,104.48
  6. Step 6: Final answer
    x = 109,633.12

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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.