Home / 188,231.74-282,326.95-55,113.30

Finding the Fourth Proportional to 188,231.74, 282,326.95 and 55,113.30

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Solution

The fourth proportional to 188,231.74, 282,326.95 and 55,113.30 is: 82,663.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,231.74 : 282,326.95 = 55,113.30 : x
  2. Step 2: Convert to fraction form
    188,231.74/282,326.95 = 55,113.30/x
  3. Step 3: Cross multiply
    188,231.74x = 282,326.95 × 55,113.30
  4. Step 4: Simplify right side
    188,231.74x = 15,559,969,893.44
  5. Step 5: Solve for x
    x = 15,559,969,893.44/188,231.74
  6. Step 6: Final answer
    x = 82,663.90

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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.