Home / 132,774.18-183,144.66-79,019.06

Finding the Fourth Proportional to 132,774.18, 183,144.66 and 79,019.06

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Solution

The fourth proportional to 132,774.18, 183,144.66 and 79,019.06 is: 108,996.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,774.18 : 183,144.66 = 79,019.06 : x
  2. Step 2: Convert to fraction form
    132,774.18/183,144.66 = 79,019.06/x
  3. Step 3: Cross multiply
    132,774.18x = 183,144.66 × 79,019.06
  4. Step 4: Simplify right side
    132,774.18x = 14,471,918,877.22
  5. Step 5: Solve for x
    x = 14,471,918,877.22/132,774.18
  6. Step 6: Final answer
    x = 108,996.48

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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.