Home / 209,040.48-313,964.10-179,122.32

Finding the Fourth Proportional to 209,040.48, 313,964.10 and 179,122.32

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Solution

The fourth proportional to 209,040.48, 313,964.10 and 179,122.32 is: 269,029.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,040.48 : 313,964.10 = 179,122.32 : x
  2. Step 2: Convert to fraction form
    209,040.48/313,964.10 = 179,122.32/x
  3. Step 3: Cross multiply
    209,040.48x = 313,964.10 × 179,122.32
  4. Step 4: Simplify right side
    209,040.48x = 56,237,977,988.71
  5. Step 5: Solve for x
    x = 56,237,977,988.71/209,040.48
  6. Step 6: Final answer
    x = 269,029.13

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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.