Home / 231,121.40-346,509.30-97,892.60

Finding the Fourth Proportional to 231,121.40, 346,509.30 and 97,892.60

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Solution

The fourth proportional to 231,121.40, 346,509.30 and 97,892.60 is: 146,765.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,121.40 : 346,509.30 = 97,892.60 : x
  2. Step 2: Convert to fraction form
    231,121.40/346,509.30 = 97,892.60/x
  3. Step 3: Cross multiply
    231,121.40x = 346,509.30 × 97,892.60
  4. Step 4: Simplify right side
    231,121.40x = 33,920,696,301.18
  5. Step 5: Solve for x
    x = 33,920,696,301.18/231,121.40
  6. Step 6: Final answer
    x = 146,765.71

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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.