Home / 116,731.60-175,097.40-109,819.60

Finding the Fourth Proportional to 116,731.60, 175,097.40 and 109,819.60

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Solution

The fourth proportional to 116,731.60, 175,097.40 and 109,819.60 is: 164,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,731.60 : 175,097.40 = 109,819.60 : x
  2. Step 2: Convert to fraction form
    116,731.60/175,097.40 = 109,819.60/x
  3. Step 3: Cross multiply
    116,731.60x = 175,097.40 × 109,819.60
  4. Step 4: Simplify right side
    116,731.60x = 19,229,126,429.04
  5. Step 5: Solve for x
    x = 19,229,126,429.04/116,731.60
  6. Step 6: Final answer
    x = 164,729.40

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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.