Home / 134,617.68-185,773.67-74,190.50

Finding the Fourth Proportional to 134,617.68, 185,773.67 and 74,190.50

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Solution

The fourth proportional to 134,617.68, 185,773.67 and 74,190.50 is: 102,383.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,617.68 : 185,773.67 = 74,190.50 : x
  2. Step 2: Convert to fraction form
    134,617.68/185,773.67 = 74,190.50/x
  3. Step 3: Cross multiply
    134,617.68x = 185,773.67 × 74,190.50
  4. Step 4: Simplify right side
    134,617.68x = 13,782,641,464.14
  5. Step 5: Solve for x
    x = 13,782,641,464.14/134,617.68
  6. Step 6: Final answer
    x = 102,383.59

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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.