Home / 135,277.64-186,683.36-74,850.83

Finding the Fourth Proportional to 135,277.64, 186,683.36 and 74,850.83

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Solution

The fourth proportional to 135,277.64, 186,683.36 and 74,850.83 is: 103,294.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,277.64 : 186,683.36 = 74,850.83 : x
  2. Step 2: Convert to fraction form
    135,277.64/186,683.36 = 74,850.83/x
  3. Step 3: Cross multiply
    135,277.64x = 186,683.36 × 74,850.83
  4. Step 4: Simplify right side
    135,277.64x = 13,973,403,135.52
  5. Step 5: Solve for x
    x = 13,973,403,135.52/135,277.64
  6. Step 6: Final answer
    x = 103,294.26

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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.