Home / 131,413.93-181,351.20-70,984.58

Finding the Fourth Proportional to 131,413.93, 181,351.20 and 70,984.58

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Solution

The fourth proportional to 131,413.93, 181,351.20 and 70,984.58 is: 97,958.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,413.93 : 181,351.20 = 70,984.58 : x
  2. Step 2: Convert to fraction form
    131,413.93/181,351.20 = 70,984.58/x
  3. Step 3: Cross multiply
    131,413.93x = 181,351.20 × 70,984.58
  4. Step 4: Simplify right side
    131,413.93x = 12,873,137,502.82
  5. Step 5: Solve for x
    x = 12,873,137,502.82/131,413.93
  6. Step 6: Final answer
    x = 97,958.70

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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.