Home / 173,401.40-259,929.30-79,743.80

Finding the Fourth Proportional to 173,401.40, 259,929.30 and 79,743.80

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Solution

The fourth proportional to 173,401.40, 259,929.30 and 79,743.80 is: 119,536.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,401.40 : 259,929.30 = 79,743.80 : x
  2. Step 2: Convert to fraction form
    173,401.40/259,929.30 = 79,743.80/x
  3. Step 3: Cross multiply
    173,401.40x = 259,929.30 × 79,743.80
  4. Step 4: Simplify right side
    173,401.40x = 20,727,750,113.34
  5. Step 5: Solve for x
    x = 20,727,750,113.34/173,401.40
  6. Step 6: Final answer
    x = 119,536.23

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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.