Home / 188,426.44-260,017.86-115,856.92

Finding the Fourth Proportional to 188,426.44, 260,017.86 and 115,856.92

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Solution

The fourth proportional to 188,426.44, 260,017.86 and 115,856.92 is: 159,876.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,426.44 : 260,017.86 = 115,856.92 : x
  2. Step 2: Convert to fraction form
    188,426.44/260,017.86 = 115,856.92/x
  3. Step 3: Cross multiply
    188,426.44x = 260,017.86 × 115,856.92
  4. Step 4: Simplify right side
    188,426.44x = 30,124,868,404.59
  5. Step 5: Solve for x
    x = 30,124,868,404.59/188,426.44
  6. Step 6: Final answer
    x = 159,876.02

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1.5x scale

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.