Home / 173,247.12-259,763.76-68,018.40

Finding the Fourth Proportional to 173,247.12, 259,763.76 and 68,018.40

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Solution

The fourth proportional to 173,247.12, 259,763.76 and 68,018.40 is: 101,985.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,247.12 : 259,763.76 = 68,018.40 : x
  2. Step 2: Convert to fraction form
    173,247.12/259,763.76 = 68,018.40/x
  3. Step 3: Cross multiply
    173,247.12x = 259,763.76 × 68,018.40
  4. Step 4: Simplify right side
    173,247.12x = 17,668,715,333.18
  5. Step 5: Solve for x
    x = 17,668,715,333.18/173,247.12
  6. Step 6: Final answer
    x = 101,985.62

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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.