Home / 231,927.20-347,631.60-98,784.80

Finding the Fourth Proportional to 231,927.20, 347,631.60 and 98,784.80

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Solution

The fourth proportional to 231,927.20, 347,631.60 and 98,784.80 is: 148,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,927.20 : 347,631.60 = 98,784.80 : x
  2. Step 2: Convert to fraction form
    231,927.20/347,631.60 = 98,784.80/x
  3. Step 3: Cross multiply
    231,927.20x = 347,631.60 × 98,784.80
  4. Step 4: Simplify right side
    231,927.20x = 34,340,718,079.68
  5. Step 5: Solve for x
    x = 34,340,718,079.68/231,927.20
  6. Step 6: Final answer
    x = 148,066.80

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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.