Home / 178,278.36-267,415.48-43,343.19

Finding the Fourth Proportional to 178,278.36, 267,415.48 and 43,343.19

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Solution

The fourth proportional to 178,278.36, 267,415.48 and 43,343.19 is: 65,014.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,278.36 : 267,415.48 = 43,343.19 : x
  2. Step 2: Convert to fraction form
    178,278.36/267,415.48 = 43,343.19/x
  3. Step 3: Cross multiply
    178,278.36x = 267,415.48 × 43,343.19
  4. Step 4: Simplify right side
    178,278.36x = 11,590,640,270.36
  5. Step 5: Solve for x
    x = 11,590,640,270.36/178,278.36
  6. Step 6: Final answer
    x = 65,014.29

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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.