Home / 122,586.80-183,880.20-43,703.60

Finding the Fourth Proportional to 122,586.80, 183,880.20 and 43,703.60

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Solution

The fourth proportional to 122,586.80, 183,880.20 and 43,703.60 is: 65,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,586.80 : 183,880.20 = 43,703.60 : x
  2. Step 2: Convert to fraction form
    122,586.80/183,880.20 = 43,703.60/x
  3. Step 3: Cross multiply
    122,586.80x = 183,880.20 × 43,703.60
  4. Step 4: Simplify right side
    122,586.80x = 8,036,226,708.72
  5. Step 5: Solve for x
    x = 8,036,226,708.72/122,586.80
  6. Step 6: Final answer
    x = 65,555.40

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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.