Home / 122,126.30-168,532.44-68,413.23

Finding the Fourth Proportional to 122,126.30, 168,532.44 and 68,413.23

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Solution

The fourth proportional to 122,126.30, 168,532.44 and 68,413.23 is: 94,409.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,126.30 : 168,532.44 = 68,413.23 : x
  2. Step 2: Convert to fraction form
    122,126.30/168,532.44 = 68,413.23/x
  3. Step 3: Cross multiply
    122,126.30x = 168,532.44 × 68,413.23
  4. Step 4: Simplify right side
    122,126.30x = 11,529,848,955.63
  5. Step 5: Solve for x
    x = 11,529,848,955.63/122,126.30
  6. Step 6: Final answer
    x = 94,409.23

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1.5x scale

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.