Home / 189,203.33-261,146.09-113,737.25

Finding the Fourth Proportional to 189,203.33, 261,146.09 and 113,737.25

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Solution

The fourth proportional to 189,203.33, 261,146.09 and 113,737.25 is: 156,984.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,203.33 : 261,146.09 = 113,737.25 : x
  2. Step 2: Convert to fraction form
    189,203.33/261,146.09 = 113,737.25/x
  3. Step 3: Cross multiply
    189,203.33x = 261,146.09 × 113,737.25
  4. Step 4: Simplify right side
    189,203.33x = 29,702,037,556.17
  5. Step 5: Solve for x
    x = 29,702,037,556.17/189,203.33
  6. Step 6: Final answer
    x = 156,984.75

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1.5x scale

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.