Home / 209,176.36-288,665.22-113,683.12

Finding the Fourth Proportional to 209,176.36, 288,665.22 and 113,683.12

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Solution

The fourth proportional to 209,176.36, 288,665.22 and 113,683.12 is: 156,883.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,176.36 : 288,665.22 = 113,683.12 : x
  2. Step 2: Convert to fraction form
    209,176.36/288,665.22 = 113,683.12/x
  3. Step 3: Cross multiply
    209,176.36x = 288,665.22 × 113,683.12
  4. Step 4: Simplify right side
    209,176.36x = 32,816,362,845.09
  5. Step 5: Solve for x
    x = 32,816,362,845.09/209,176.36
  6. Step 6: Final answer
    x = 156,883.71

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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.