Home / 122,450.06-168,937.62-80,033.06

Finding the Fourth Proportional to 122,450.06, 168,937.62 and 80,033.06

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Solution

The fourth proportional to 122,450.06, 168,937.62 and 80,033.06 is: 110,417.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,450.06 : 168,937.62 = 80,033.06 : x
  2. Step 2: Convert to fraction form
    122,450.06/168,937.62 = 80,033.06/x
  3. Step 3: Cross multiply
    122,450.06x = 168,937.62 × 80,033.06
  4. Step 4: Simplify right side
    122,450.06x = 13,520,594,677.72
  5. Step 5: Solve for x
    x = 13,520,594,677.72/122,450.06
  6. Step 6: Final answer
    x = 110,417.22

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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.