Home / 209,819.64-314,822.50-109,956.10

Finding the Fourth Proportional to 209,819.64, 314,822.50 and 109,956.10

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Solution

The fourth proportional to 209,819.64, 314,822.50 and 109,956.10 is: 164,982.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,819.64 : 314,822.50 = 109,956.10 : x
  2. Step 2: Convert to fraction form
    209,819.64/314,822.50 = 109,956.10/x
  3. Step 3: Cross multiply
    209,819.64x = 314,822.50 × 109,956.10
  4. Step 4: Simplify right side
    209,819.64x = 34,616,654,292.25
  5. Step 5: Solve for x
    x = 34,616,654,292.25/209,819.64
  6. Step 6: Final answer
    x = 164,982.91

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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.