Home / 122,521.41-168,729.48-110,317.95

Finding the Fourth Proportional to 122,521.41, 168,729.48 and 110,317.95

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Solution

The fourth proportional to 122,521.41, 168,729.48 and 110,317.95 is: 151,923.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,521.41 : 168,729.48 = 110,317.95 : x
  2. Step 2: Convert to fraction form
    122,521.41/168,729.48 = 110,317.95/x
  3. Step 3: Cross multiply
    122,521.41x = 168,729.48 × 110,317.95
  4. Step 4: Simplify right side
    122,521.41x = 18,613,890,338.17
  5. Step 5: Solve for x
    x = 18,613,890,338.17/122,521.41
  6. Step 6: Final answer
    x = 151,923.57

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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.