Home / 209,238.16-288,745.24-113,747.26

Finding the Fourth Proportional to 209,238.16, 288,745.24 and 113,747.26

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Solution

The fourth proportional to 209,238.16, 288,745.24 and 113,747.26 is: 156,969.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,238.16 : 288,745.24 = 113,747.26 : x
  2. Step 2: Convert to fraction form
    209,238.16/288,745.24 = 113,747.26/x
  3. Step 3: Cross multiply
    209,238.16x = 288,745.24 × 113,747.26
  4. Step 4: Simplify right side
    209,238.16x = 32,843,979,888.04
  5. Step 5: Solve for x
    x = 32,843,979,888.04/209,238.16
  6. Step 6: Final answer
    x = 156,969.36

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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.