Home / 122,111.20-183,166.80-92,586.70

Finding the Fourth Proportional to 122,111.20, 183,166.80 and 92,586.70

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Solution

The fourth proportional to 122,111.20, 183,166.80 and 92,586.70 is: 138,880.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,111.20 : 183,166.80 = 92,586.70 : x
  2. Step 2: Convert to fraction form
    122,111.20/183,166.80 = 92,586.70/x
  3. Step 3: Cross multiply
    122,111.20x = 183,166.80 × 92,586.70
  4. Step 4: Simplify right side
    122,111.20x = 16,958,809,561.56
  5. Step 5: Solve for x
    x = 16,958,809,561.56/122,111.20
  6. Step 6: Final answer
    x = 138,880.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.