Home / 231,840.60-347,480.10-98,440.80

Finding the Fourth Proportional to 231,840.60, 347,480.10 and 98,440.80

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Solution

The fourth proportional to 231,840.60, 347,480.10 and 98,440.80 is: 147,541.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,840.60 : 347,480.10 = 98,440.80 : x
  2. Step 2: Convert to fraction form
    231,840.60/347,480.10 = 98,440.80/x
  3. Step 3: Cross multiply
    231,840.60x = 347,480.10 × 98,440.80
  4. Step 4: Simplify right side
    231,840.60x = 34,206,219,028.08
  5. Step 5: Solve for x
    x = 34,206,219,028.08/231,840.60
  6. Step 6: Final answer
    x = 147,541.97

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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.