Home / 231,716.80-347,575.20-98,601.40

Finding the Fourth Proportional to 231,716.80, 347,575.20 and 98,601.40

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Solution

The fourth proportional to 231,716.80, 347,575.20 and 98,601.40 is: 147,902.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,716.80 : 347,575.20 = 98,601.40 : x
  2. Step 2: Convert to fraction form
    231,716.80/347,575.20 = 98,601.40/x
  3. Step 3: Cross multiply
    231,716.80x = 347,575.20 × 98,601.40
  4. Step 4: Simplify right side
    231,716.80x = 34,271,401,325.28
  5. Step 5: Solve for x
    x = 34,271,401,325.28/231,716.80
  6. Step 6: Final answer
    x = 147,902.10

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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.