Home / 313,583.20-470,029.20-173,442.40

Finding the Fourth Proportional to 313,583.20, 470,029.20 and 173,442.40

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Solution

The fourth proportional to 313,583.20, 470,029.20 and 173,442.40 is: 259,972.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,583.20 : 470,029.20 = 173,442.40 : x
  2. Step 2: Convert to fraction form
    313,583.20/470,029.20 = 173,442.40/x
  3. Step 3: Cross multiply
    313,583.20x = 470,029.20 × 173,442.40
  4. Step 4: Simplify right side
    313,583.20x = 81,522,992,518.08
  5. Step 5: Solve for x
    x = 81,522,992,518.08/313,583.20
  6. Step 6: Final answer
    x = 259,972.45

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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.