Home / 313,258.72-470,085.60-163,768.48

Finding the Fourth Proportional to 313,258.72, 470,085.60 and 163,768.48

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Solution

The fourth proportional to 313,258.72, 470,085.60 and 163,768.48 is: 245,755.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,258.72 : 470,085.60 = 163,768.48 : x
  2. Step 2: Convert to fraction form
    313,258.72/470,085.60 = 163,768.48/x
  3. Step 3: Cross multiply
    313,258.72x = 470,085.60 × 163,768.48
  4. Step 4: Simplify right side
    313,258.72x = 76,985,204,181.89
  5. Step 5: Solve for x
    x = 76,985,204,181.89/313,258.72
  6. Step 6: Final answer
    x = 245,755.98

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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.