Home / 348,606.90-480,984.21-197,700.66

Finding the Fourth Proportional to 348,606.90, 480,984.21 and 197,700.66

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Solution

The fourth proportional to 348,606.90, 480,984.21 and 197,700.66 is: 272,773.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,606.90 : 480,984.21 = 197,700.66 : x
  2. Step 2: Convert to fraction form
    348,606.90/480,984.21 = 197,700.66/x
  3. Step 3: Cross multiply
    348,606.90x = 480,984.21 × 197,700.66
  4. Step 4: Simplify right side
    348,606.90x = 95,090,895,766.58
  5. Step 5: Solve for x
    x = 95,090,895,766.58/348,606.90
  6. Step 6: Final answer
    x = 272,773.99

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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.