Home / 185,413.08-255,867.75-100,529.94

Finding the Fourth Proportional to 185,413.08, 255,867.75 and 100,529.94

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Solution

The fourth proportional to 185,413.08, 255,867.75 and 100,529.94 is: 138,730.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,413.08 : 255,867.75 = 100,529.94 : x
  2. Step 2: Convert to fraction form
    185,413.08/255,867.75 = 100,529.94/x
  3. Step 3: Cross multiply
    185,413.08x = 255,867.75 × 100,529.94
  4. Step 4: Simplify right side
    185,413.08x = 25,722,369,555.44
  5. Step 5: Solve for x
    x = 25,722,369,555.44/185,413.08
  6. Step 6: Final answer
    x = 138,730.07

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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.