Home / 122,182.94-168,612.45-74,436.26

Finding the Fourth Proportional to 122,182.94, 168,612.45 and 74,436.26

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Solution

The fourth proportional to 122,182.94, 168,612.45 and 74,436.26 is: 102,722.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,182.94 : 168,612.45 = 74,436.26 : x
  2. Step 2: Convert to fraction form
    122,182.94/168,612.45 = 74,436.26/x
  3. Step 3: Cross multiply
    122,182.94x = 168,612.45 × 74,436.26
  4. Step 4: Simplify right side
    122,182.94x = 12,550,880,167.44
  5. Step 5: Solve for x
    x = 12,550,880,167.44/122,182.94
  6. Step 6: Final answer
    x = 102,722.03

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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.