Home / 123,740.18-185,371.11-73,860.02

Finding the Fourth Proportional to 123,740.18, 185,371.11 and 73,860.02

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Solution

The fourth proportional to 123,740.18, 185,371.11 and 73,860.02 is: 110,647.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,740.18 : 185,371.11 = 73,860.02 : x
  2. Step 2: Convert to fraction form
    123,740.18/185,371.11 = 73,860.02/x
  3. Step 3: Cross multiply
    123,740.18x = 185,371.11 × 73,860.02
  4. Step 4: Simplify right side
    123,740.18x = 13,691,513,892.02
  5. Step 5: Solve for x
    x = 13,691,513,892.02/123,740.18
  6. Step 6: Final answer
    x = 110,647.28

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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.