Home / 113,633.08-170,537.64-91,500.64

Finding the Fourth Proportional to 113,633.08, 170,537.64 and 91,500.64

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Solution

The fourth proportional to 113,633.08, 170,537.64 and 91,500.64 is: 137,321.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,633.08 : 170,537.64 = 91,500.64 : x
  2. Step 2: Convert to fraction form
    113,633.08/170,537.64 = 91,500.64/x
  3. Step 3: Cross multiply
    113,633.08x = 170,537.64 × 91,500.64
  4. Step 4: Simplify right side
    113,633.08x = 15,604,303,204.09
  5. Step 5: Solve for x
    x = 15,604,303,204.09/113,633.08
  6. Step 6: Final answer
    x = 137,321.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.