Home / 188,021.84-259,433.08-111,526.52

Finding the Fourth Proportional to 188,021.84, 259,433.08 and 111,526.52

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Solution

The fourth proportional to 188,021.84, 259,433.08 and 111,526.52 is: 153,884.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,021.84 : 259,433.08 = 111,526.52 : x
  2. Step 2: Convert to fraction form
    188,021.84/259,433.08 = 111,526.52/x
  3. Step 3: Cross multiply
    188,021.84x = 259,433.08 × 111,526.52
  4. Step 4: Simplify right side
    188,021.84x = 28,933,668,585.28
  5. Step 5: Solve for x
    x = 28,933,668,585.28/188,021.84
  6. Step 6: Final answer
    x = 153,884.62

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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.