Home / 173,581.15-239,413.35-122,540.67

Finding the Fourth Proportional to 173,581.15, 239,413.35 and 122,540.67

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Solution

The fourth proportional to 173,581.15, 239,413.35 and 122,540.67 is: 169,015.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,581.15 : 239,413.35 = 122,540.67 : x
  2. Step 2: Convert to fraction form
    173,581.15/239,413.35 = 122,540.67/x
  3. Step 3: Cross multiply
    173,581.15x = 239,413.35 × 122,540.67
  4. Step 4: Simplify right side
    173,581.15x = 29,337,872,315.94
  5. Step 5: Solve for x
    x = 29,337,872,315.94/173,581.15
  6. Step 6: Final answer
    x = 169,015.31

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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.