Home / 231,823.80-347,735.70-98,708.40

Finding the Fourth Proportional to 231,823.80, 347,735.70 and 98,708.40

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Solution

The fourth proportional to 231,823.80, 347,735.70 and 98,708.40 is: 148,062.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,823.80 : 347,735.70 = 98,708.40 : x
  2. Step 2: Convert to fraction form
    231,823.80/347,735.70 = 98,708.40/x
  3. Step 3: Cross multiply
    231,823.80x = 347,735.70 × 98,708.40
  4. Step 4: Simplify right side
    231,823.80x = 34,324,434,569.88
  5. Step 5: Solve for x
    x = 34,324,434,569.88/231,823.80
  6. Step 6: Final answer
    x = 148,062.60

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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.