Home / 209,632.30-289,297.78-114,144.24

Finding the Fourth Proportional to 209,632.30, 289,297.78 and 114,144.24

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Solution

The fourth proportional to 209,632.30, 289,297.78 and 114,144.24 is: 157,521.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,632.30 : 289,297.78 = 114,144.24 : x
  2. Step 2: Convert to fraction form
    209,632.30/289,297.78 = 114,144.24/x
  3. Step 3: Cross multiply
    209,632.30x = 289,297.78 × 114,144.24
  4. Step 4: Simplify right side
    209,632.30x = 33,021,675,231.79
  5. Step 5: Solve for x
    x = 33,021,675,231.79/209,632.30
  6. Step 6: Final answer
    x = 157,521.89

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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.