Home / 213,732.93-320,632.20-73,458.75

Finding the Fourth Proportional to 213,732.93, 320,632.20 and 73,458.75

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Solution

The fourth proportional to 213,732.93, 320,632.20 and 73,458.75 is: 110,199.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,732.93 : 320,632.20 = 73,458.75 : x
  2. Step 2: Convert to fraction form
    213,732.93/320,632.20 = 73,458.75/x
  3. Step 3: Cross multiply
    213,732.93x = 320,632.20 × 73,458.75
  4. Step 4: Simplify right side
    213,732.93x = 23,553,240,621.75
  5. Step 5: Solve for x
    x = 23,553,240,621.75/213,732.93
  6. Step 6: Final answer
    x = 110,199.40

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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.