Home / 348,129.44-480,420.24-197,255.84

Finding the Fourth Proportional to 348,129.44, 480,420.24 and 197,255.84

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Solution

The fourth proportional to 348,129.44, 480,420.24 and 197,255.84 is: 272,213.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,129.44 : 480,420.24 = 197,255.84 : x
  2. Step 2: Convert to fraction form
    348,129.44/480,420.24 = 197,255.84/x
  3. Step 3: Cross multiply
    348,129.44x = 480,420.24 × 197,255.84
  4. Step 4: Simplify right side
    348,129.44x = 94,765,697,994.20
  5. Step 5: Solve for x
    x = 94,765,697,994.20/348,129.44
  6. Step 6: Final answer
    x = 272,213.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.