Home / 147,741.36-203,882.76-80,673.36

Finding the Fourth Proportional to 147,741.36, 203,882.76 and 80,673.36

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Solution

The fourth proportional to 147,741.36, 203,882.76 and 80,673.36 is: 111,329.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,741.36 : 203,882.76 = 80,673.36 : x
  2. Step 2: Convert to fraction form
    147,741.36/203,882.76 = 80,673.36/x
  3. Step 3: Cross multiply
    147,741.36x = 203,882.76 × 80,673.36
  4. Step 4: Simplify right side
    147,741.36x = 16,447,907,295.27
  5. Step 5: Solve for x
    x = 16,447,907,295.27/147,741.36
  6. Step 6: Final answer
    x = 111,329.06

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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.