Home / 122,338.95-168,806.32-68,626.23

Finding the Fourth Proportional to 122,338.95, 168,806.32 and 68,626.23

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Solution

The fourth proportional to 122,338.95, 168,806.32 and 68,626.23 is: 94,692.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,338.95 : 168,806.32 = 68,626.23 : x
  2. Step 2: Convert to fraction form
    122,338.95/168,806.32 = 68,626.23/x
  3. Step 3: Cross multiply
    122,338.95x = 168,806.32 × 68,626.23
  4. Step 4: Simplify right side
    122,338.95x = 11,584,541,341.77
  5. Step 5: Solve for x
    x = 11,584,541,341.77/122,338.95
  6. Step 6: Final answer
    x = 94,692.18

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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.