Home / 131,572.89-197,388.50-61,413.93

Finding the Fourth Proportional to 131,572.89, 197,388.50 and 61,413.93

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Solution

The fourth proportional to 131,572.89, 197,388.50 and 61,413.93 is: 92,134.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,572.89 : 197,388.50 = 61,413.93 : x
  2. Step 2: Convert to fraction form
    131,572.89/197,388.50 = 61,413.93/x
  3. Step 3: Cross multiply
    131,572.89x = 197,388.50 × 61,413.93
  4. Step 4: Simplify right side
    131,572.89x = 12,122,403,214.74
  5. Step 5: Solve for x
    x = 12,122,403,214.74/131,572.89
  6. Step 6: Final answer
    x = 92,134.51

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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.