Home / 173,023.20-259,448.40-79,423.20

Finding the Fourth Proportional to 173,023.20, 259,448.40 and 79,423.20

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Solution

The fourth proportional to 173,023.20, 259,448.40 and 79,423.20 is: 119,095.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,023.20 : 259,448.40 = 79,423.20 : x
  2. Step 2: Convert to fraction form
    173,023.20/259,448.40 = 79,423.20/x
  3. Step 3: Cross multiply
    173,023.20x = 259,448.40 × 79,423.20
  4. Step 4: Simplify right side
    173,023.20x = 20,606,222,162.88
  5. Step 5: Solve for x
    x = 20,606,222,162.88/173,023.20
  6. Step 6: Final answer
    x = 119,095.14

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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.