Home / 188,526.43-282,789.70-55,406.69

Finding the Fourth Proportional to 188,526.43, 282,789.70 and 55,406.69

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Solution

The fourth proportional to 188,526.43, 282,789.70 and 55,406.69 is: 83,110.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,526.43 : 282,789.70 = 55,406.69 : x
  2. Step 2: Convert to fraction form
    188,526.43/282,789.70 = 55,406.69/x
  3. Step 3: Cross multiply
    188,526.43x = 282,789.70 × 55,406.69
  4. Step 4: Simplify right side
    188,526.43x = 15,668,441,243.09
  5. Step 5: Solve for x
    x = 15,668,441,243.09/188,526.43
  6. Step 6: Final answer
    x = 83,110.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.