Home / 109,556.25-151,187.64-59,255.25

Finding the Fourth Proportional to 109,556.25, 151,187.64 and 59,255.25

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Solution

The fourth proportional to 109,556.25, 151,187.64 and 59,255.25 is: 81,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,556.25 : 151,187.64 = 59,255.25 : x
  2. Step 2: Convert to fraction form
    109,556.25/151,187.64 = 59,255.25/x
  3. Step 3: Cross multiply
    109,556.25x = 151,187.64 × 59,255.25
  4. Step 4: Simplify right side
    109,556.25x = 8,958,661,405.11
  5. Step 5: Solve for x
    x = 8,958,661,405.11/109,556.25
  6. Step 6: Final answer
    x = 81,772.25

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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.