Home / 188,178.81-282,288.20-55,059.77

Finding the Fourth Proportional to 188,178.81, 282,288.20 and 55,059.77

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Solution

The fourth proportional to 188,178.81, 282,288.20 and 55,059.77 is: 82,595.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,178.81 : 282,288.20 = 55,059.77 : x
  2. Step 2: Convert to fraction form
    188,178.81/282,288.20 = 55,059.77/x
  3. Step 3: Cross multiply
    188,178.81x = 282,288.20 × 55,059.77
  4. Step 4: Simplify right side
    188,178.81x = 15,542,721,678.97
  5. Step 5: Solve for x
    x = 15,542,721,678.97/188,178.81
  6. Step 6: Final answer
    x = 82,595.49

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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.