Home / 209,144.02-288,612.93-113,647.54

Finding the Fourth Proportional to 209,144.02, 288,612.93 and 113,647.54

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Solution

The fourth proportional to 209,144.02, 288,612.93 and 113,647.54 is: 156,830.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,144.02 : 288,612.93 = 113,647.54 : x
  2. Step 2: Convert to fraction form
    209,144.02/288,612.93 = 113,647.54/x
  3. Step 3: Cross multiply
    209,144.02x = 288,612.93 × 113,647.54
  4. Step 4: Simplify right side
    209,144.02x = 32,800,149,506.69
  5. Step 5: Solve for x
    x = 32,800,149,506.69/209,144.02
  6. Step 6: Final answer
    x = 156,830.44

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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.