Home / 231,629.80-347,444.70-98,514.40

Finding the Fourth Proportional to 231,629.80, 347,444.70 and 98,514.40

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Solution

The fourth proportional to 231,629.80, 347,444.70 and 98,514.40 is: 147,771.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,629.80 : 347,444.70 = 98,514.40 : x
  2. Step 2: Convert to fraction form
    231,629.80/347,444.70 = 98,514.40/x
  3. Step 3: Cross multiply
    231,629.80x = 347,444.70 × 98,514.40
  4. Step 4: Simplify right side
    231,629.80x = 34,228,306,153.68
  5. Step 5: Solve for x
    x = 34,228,306,153.68/231,629.80
  6. Step 6: Final answer
    x = 147,771.60

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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.