Home / 122,056.80-168,382.44-73,677.12

Finding the Fourth Proportional to 122,056.80, 168,382.44 and 73,677.12

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Solution

The fourth proportional to 122,056.80, 168,382.44 and 73,677.12 is: 101,640.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,056.80 : 168,382.44 = 73,677.12 : x
  2. Step 2: Convert to fraction form
    122,056.80/168,382.44 = 73,677.12/x
  3. Step 3: Cross multiply
    122,056.80x = 168,382.44 × 73,677.12
  4. Step 4: Simplify right side
    122,056.80x = 12,405,933,237.77
  5. Step 5: Solve for x
    x = 12,405,933,237.77/122,056.80
  6. Step 6: Final answer
    x = 101,640.66

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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.