Home / 248,042.45-372,065.70-79,563.03

Finding the Fourth Proportional to 248,042.45, 372,065.70 and 79,563.03

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Solution

The fourth proportional to 248,042.45, 372,065.70 and 79,563.03 is: 119,345.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,042.45 : 372,065.70 = 79,563.03 : x
  2. Step 2: Convert to fraction form
    248,042.45/372,065.70 = 79,563.03/x
  3. Step 3: Cross multiply
    248,042.45x = 372,065.70 × 79,563.03
  4. Step 4: Simplify right side
    248,042.45x = 29,602,673,354.19
  5. Step 5: Solve for x
    x = 29,602,673,354.19/248,042.45
  6. Step 6: Final answer
    x = 119,345.19

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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.