Home / 149,268.93-205,773.51-113,396.68

Finding the Fourth Proportional to 149,268.93, 205,773.51 and 113,396.68

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Solution

The fourth proportional to 149,268.93, 205,773.51 and 113,396.68 is: 156,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,268.93 : 205,773.51 = 113,396.68 : x
  2. Step 2: Convert to fraction form
    149,268.93/205,773.51 = 113,396.68/x
  3. Step 3: Cross multiply
    149,268.93x = 205,773.51 × 113,396.68
  4. Step 4: Simplify right side
    149,268.93x = 23,334,032,865.95
  5. Step 5: Solve for x
    x = 23,334,032,865.95/149,268.93
  6. Step 6: Final answer
    x = 156,322.10

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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.