Home / 209,176.42-288,665.37-113,683.36

Finding the Fourth Proportional to 209,176.42, 288,665.37 and 113,683.36

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Solution

The fourth proportional to 209,176.42, 288,665.37 and 113,683.36 is: 156,884.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,176.42 : 288,665.37 = 113,683.36 : x
  2. Step 2: Convert to fraction form
    209,176.42/288,665.37 = 113,683.36/x
  3. Step 3: Cross multiply
    209,176.42x = 288,665.37 × 113,683.36
  4. Step 4: Simplify right side
    209,176.42x = 32,816,449,177.24
  5. Step 5: Solve for x
    x = 32,816,449,177.24/209,176.42
  6. Step 6: Final answer
    x = 156,884.08

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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.