Home / 209,172.44-288,662.23-113,685.30

Finding the Fourth Proportional to 209,172.44, 288,662.23 and 113,685.30

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Solution

The fourth proportional to 209,172.44, 288,662.23 and 113,685.30 is: 156,888.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,172.44 : 288,662.23 = 113,685.30 : x
  2. Step 2: Convert to fraction form
    209,172.44/288,662.23 = 113,685.30/x
  3. Step 3: Cross multiply
    209,172.44x = 288,662.23 × 113,685.30
  4. Step 4: Simplify right side
    209,172.44x = 32,816,652,216.22
  5. Step 5: Solve for x
    x = 32,816,652,216.22/209,172.44
  6. Step 6: Final answer
    x = 156,888.03

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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.