Home / 217,405.02-300,022.03-131,352.04

Finding the Fourth Proportional to 217,405.02, 300,022.03 and 131,352.04

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Solution

The fourth proportional to 217,405.02, 300,022.03 and 131,352.04 is: 181,267.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,405.02 : 300,022.03 = 131,352.04 : x
  2. Step 2: Convert to fraction form
    217,405.02/300,022.03 = 131,352.04/x
  3. Step 3: Cross multiply
    217,405.02x = 300,022.03 × 131,352.04
  4. Step 4: Simplify right side
    217,405.02x = 39,408,505,485.80
  5. Step 5: Solve for x
    x = 39,408,505,485.80/217,405.02
  6. Step 6: Final answer
    x = 181,267.69

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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.