Home / 125,829.60-188,836.62-92,639.10

Finding the Fourth Proportional to 125,829.60, 188,836.62 and 92,639.10

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Solution

The fourth proportional to 125,829.60, 188,836.62 and 92,639.10 is: 139,026.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,829.60 : 188,836.62 = 92,639.10 : x
  2. Step 2: Convert to fraction form
    125,829.60/188,836.62 = 92,639.10/x
  3. Step 3: Cross multiply
    125,829.60x = 188,836.62 × 92,639.10
  4. Step 4: Simplify right side
    125,829.60x = 17,493,654,523.84
  5. Step 5: Solve for x
    x = 17,493,654,523.84/125,829.60
  6. Step 6: Final answer
    x = 139,026.54

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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.