Home / 188,632.32-282,783.36-76,243.20

Finding the Fourth Proportional to 188,632.32, 282,783.36 and 76,243.20

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Solution

The fourth proportional to 188,632.32, 282,783.36 and 76,243.20 is: 114,298.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,632.32 : 282,783.36 = 76,243.20 : x
  2. Step 2: Convert to fraction form
    188,632.32/282,783.36 = 76,243.20/x
  3. Step 3: Cross multiply
    188,632.32x = 282,783.36 × 76,243.20
  4. Step 4: Simplify right side
    188,632.32x = 21,560,308,273.15
  5. Step 5: Solve for x
    x = 21,560,308,273.15/188,632.32
  6. Step 6: Final answer
    x = 114,298.06

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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.