Home / 188,928.60-260,719.74-104,043.84

Finding the Fourth Proportional to 188,928.60, 260,719.74 and 104,043.84

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Solution

The fourth proportional to 188,928.60, 260,719.74 and 104,043.84 is: 143,579.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,928.60 : 260,719.74 = 104,043.84 : x
  2. Step 2: Convert to fraction form
    188,928.60/260,719.74 = 104,043.84/x
  3. Step 3: Cross multiply
    188,928.60x = 260,719.74 × 104,043.84
  4. Step 4: Simplify right side
    188,928.60x = 27,126,282,913.40
  5. Step 5: Solve for x
    x = 27,126,282,913.40/188,928.60
  6. Step 6: Final answer
    x = 143,579.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.