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Finding the Fourth Proportional to 190,689.92, 263,150.40 and 110,134.40

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Solution

The fourth proportional to 190,689.92, 263,150.40 and 110,134.40 is: 151,984.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,689.92 : 263,150.40 = 110,134.40 : x
  2. Step 2: Convert to fraction form
    190,689.92/263,150.40 = 110,134.40/x
  3. Step 3: Cross multiply
    190,689.92x = 263,150.40 × 110,134.40
  4. Step 4: Simplify right side
    190,689.92x = 28,981,911,413.76
  5. Step 5: Solve for x
    x = 28,981,911,413.76/190,689.92
  6. Step 6: Final answer
    x = 151,984.50

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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.