Home / 231,082.60-346,636.20-73,323.40

Finding the Fourth Proportional to 231,082.60, 346,636.20 and 73,323.40

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Solution

The fourth proportional to 231,082.60, 346,636.20 and 73,323.40 is: 109,989.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,082.60 : 346,636.20 = 73,323.40 : x
  2. Step 2: Convert to fraction form
    231,082.60/346,636.20 = 73,323.40/x
  3. Step 3: Cross multiply
    231,082.60x = 346,636.20 × 73,323.40
  4. Step 4: Simplify right side
    231,082.60x = 25,416,544,747.08
  5. Step 5: Solve for x
    x = 25,416,544,747.08/231,082.60
  6. Step 6: Final answer
    x = 109,989.00

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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.