Home / 123,893.34-185,272.56-92,325.36

Finding the Fourth Proportional to 123,893.34, 185,272.56 and 92,325.36

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Solution

The fourth proportional to 123,893.34, 185,272.56 and 92,325.36 is: 138,065.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,893.34 : 185,272.56 = 92,325.36 : x
  2. Step 2: Convert to fraction form
    123,893.34/185,272.56 = 92,325.36/x
  3. Step 3: Cross multiply
    123,893.34x = 185,272.56 × 92,325.36
  4. Step 4: Simplify right side
    123,893.34x = 17,105,355,800.12
  5. Step 5: Solve for x
    x = 17,105,355,800.12/123,893.34
  6. Step 6: Final answer
    x = 138,065.18

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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.