Home / 209,519.27-289,131.04-114,023.92

Finding the Fourth Proportional to 209,519.27, 289,131.04 and 114,023.92

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Solution

The fourth proportional to 209,519.27, 289,131.04 and 114,023.92 is: 157,349.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,519.27 : 289,131.04 = 114,023.92 : x
  2. Step 2: Convert to fraction form
    209,519.27/289,131.04 = 114,023.92/x
  3. Step 3: Cross multiply
    209,519.27x = 289,131.04 × 114,023.92
  4. Step 4: Simplify right side
    209,519.27x = 32,967,854,574.48
  5. Step 5: Solve for x
    x = 32,967,854,574.48/209,519.27
  6. Step 6: Final answer
    x = 157,349.99

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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.