Home / 178,581.48-267,913.13-77,396.51

Finding the Fourth Proportional to 178,581.48, 267,913.13 and 77,396.51

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Solution

The fourth proportional to 178,581.48, 267,913.13 and 77,396.51 is: 116,112.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,581.48 : 267,913.13 = 77,396.51 : x
  2. Step 2: Convert to fraction form
    178,581.48/267,913.13 = 77,396.51/x
  3. Step 3: Cross multiply
    178,581.48x = 267,913.13 × 77,396.51
  4. Step 4: Simplify right side
    178,581.48x = 20,735,540,858.19
  5. Step 5: Solve for x
    x = 20,735,540,858.19/178,581.48
  6. Step 6: Final answer
    x = 116,112.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.