Home / 122,323.20-168,792.45-68,597.10

Finding the Fourth Proportional to 122,323.20, 168,792.45 and 68,597.10

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Solution

The fourth proportional to 122,323.20, 168,792.45 and 68,597.10 is: 94,656.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,323.20 : 168,792.45 = 68,597.10 : x
  2. Step 2: Convert to fraction form
    122,323.20/168,792.45 = 68,597.10/x
  3. Step 3: Cross multiply
    122,323.20x = 168,792.45 × 68,597.10
  4. Step 4: Simplify right side
    122,323.20x = 11,578,672,571.90
  5. Step 5: Solve for x
    x = 11,578,672,571.90/122,323.20
  6. Step 6: Final answer
    x = 94,656.39

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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.