Home / 170,928.72-256,373.64-46,279.44

Finding the Fourth Proportional to 170,928.72, 256,373.64 and 46,279.44

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Solution

The fourth proportional to 170,928.72, 256,373.64 and 46,279.44 is: 69,413.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,928.72 : 256,373.64 = 46,279.44 : x
  2. Step 2: Convert to fraction form
    170,928.72/256,373.64 = 46,279.44/x
  3. Step 3: Cross multiply
    170,928.72x = 256,373.64 × 46,279.44
  4. Step 4: Simplify right side
    170,928.72x = 11,864,828,489.96
  5. Step 5: Solve for x
    x = 11,864,828,489.96/170,928.72
  6. Step 6: Final answer
    x = 69,413.90

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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.