Home / 125,928.22-188,936.08-55,856.74

Finding the Fourth Proportional to 125,928.22, 188,936.08 and 55,856.74

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Solution

The fourth proportional to 125,928.22, 188,936.08 and 55,856.74 is: 83,804.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,928.22 : 188,936.08 = 55,856.74 : x
  2. Step 2: Convert to fraction form
    125,928.22/188,936.08 = 55,856.74/x
  3. Step 3: Cross multiply
    125,928.22x = 188,936.08 × 55,856.74
  4. Step 4: Simplify right side
    125,928.22x = 10,553,353,497.18
  5. Step 5: Solve for x
    x = 10,553,353,497.18/125,928.22
  6. Step 6: Final answer
    x = 83,804.52

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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.