Home / 131,145.39-196,764.17-56,262.51

Finding the Fourth Proportional to 131,145.39, 196,764.17 and 56,262.51

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Solution

The fourth proportional to 131,145.39, 196,764.17 and 56,262.51 is: 84,413.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,145.39 : 196,764.17 = 56,262.51 : x
  2. Step 2: Convert to fraction form
    131,145.39/196,764.17 = 56,262.51/x
  3. Step 3: Cross multiply
    131,145.39x = 196,764.17 × 56,262.51
  4. Step 4: Simplify right side
    131,145.39x = 11,070,445,800.95
  5. Step 5: Solve for x
    x = 11,070,445,800.95/131,145.39
  6. Step 6: Final answer
    x = 84,413.53

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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.