Home / 348,180.48-480,499.20-197,272.32

Finding the Fourth Proportional to 348,180.48, 480,499.20 and 197,272.32

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Solution

The fourth proportional to 348,180.48, 480,499.20 and 197,272.32 is: 272,241.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,180.48 : 480,499.20 = 197,272.32 : x
  2. Step 2: Convert to fraction form
    348,180.48/480,499.20 = 197,272.32/x
  3. Step 3: Cross multiply
    348,180.48x = 480,499.20 × 197,272.32
  4. Step 4: Simplify right side
    348,180.48x = 94,789,191,942.14
  5. Step 5: Solve for x
    x = 94,789,191,942.14/348,180.48
  6. Step 6: Final answer
    x = 272,241.55

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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.