Home / 109,623.69-151,293.45-91,194.24

Finding the Fourth Proportional to 109,623.69, 151,293.45 and 91,194.24

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Solution

The fourth proportional to 109,623.69, 151,293.45 and 91,194.24 is: 125,858.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,623.69 : 151,293.45 = 91,194.24 : x
  2. Step 2: Convert to fraction form
    109,623.69/151,293.45 = 91,194.24/x
  3. Step 3: Cross multiply
    109,623.69x = 151,293.45 × 91,194.24
  4. Step 4: Simplify right side
    109,623.69x = 13,797,091,189.73
  5. Step 5: Solve for x
    x = 13,797,091,189.73/109,623.69
  6. Step 6: Final answer
    x = 125,858.66

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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.