Home / 170,732.10-256,138.59-58,413.54

Finding the Fourth Proportional to 170,732.10, 256,138.59 and 58,413.54

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Solution

The fourth proportional to 170,732.10, 256,138.59 and 58,413.54 is: 87,634.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,732.10 : 256,138.59 = 58,413.54 : x
  2. Step 2: Convert to fraction form
    170,732.10/256,138.59 = 58,413.54/x
  3. Step 3: Cross multiply
    170,732.10x = 256,138.59 × 58,413.54
  4. Step 4: Simplify right side
    170,732.10x = 14,961,961,772.51
  5. Step 5: Solve for x
    x = 14,961,961,772.51/170,732.10
  6. Step 6: Final answer
    x = 87,634.15

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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.