Home / 188,931.60-260,723.88-104,046.84

Finding the Fourth Proportional to 188,931.60, 260,723.88 and 104,046.84

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Solution

The fourth proportional to 188,931.60, 260,723.88 and 104,046.84 is: 143,583.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,931.60 : 260,723.88 = 104,046.84 : x
  2. Step 2: Convert to fraction form
    188,931.60/260,723.88 = 104,046.84/x
  3. Step 3: Cross multiply
    188,931.60x = 260,723.88 × 104,046.84
  4. Step 4: Simplify right side
    188,931.60x = 27,127,495,826.54
  5. Step 5: Solve for x
    x = 27,127,495,826.54/188,931.60
  6. Step 6: Final answer
    x = 143,583.69

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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.