Home / 134,619.33-185,773.74-74,190.02

Finding the Fourth Proportional to 134,619.33, 185,773.74 and 74,190.02

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Solution

The fourth proportional to 134,619.33, 185,773.74 and 74,190.02 is: 102,381.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,619.33 : 185,773.74 = 74,190.02 : x
  2. Step 2: Convert to fraction form
    134,619.33/185,773.74 = 74,190.02/x
  3. Step 3: Cross multiply
    134,619.33x = 185,773.74 × 74,190.02
  4. Step 4: Simplify right side
    134,619.33x = 13,782,556,557.21
  5. Step 5: Solve for x
    x = 13,782,556,557.21/134,619.33
  6. Step 6: Final answer
    x = 102,381.71

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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.