Home / 209,519.77-289,131.73-114,024.42

Finding the Fourth Proportional to 209,519.77, 289,131.73 and 114,024.42

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Solution

The fourth proportional to 209,519.77, 289,131.73 and 114,024.42 is: 157,350.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,519.77 : 289,131.73 = 114,024.42 : x
  2. Step 2: Convert to fraction form
    209,519.77/289,131.73 = 114,024.42/x
  3. Step 3: Cross multiply
    209,519.77x = 289,131.73 × 114,024.42
  4. Step 4: Simplify right side
    209,519.77x = 32,968,077,816.85
  5. Step 5: Solve for x
    x = 32,968,077,816.85/209,519.77
  6. Step 6: Final answer
    x = 157,350.68

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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.