Home / 122,446.80-183,670.20-43,563.60

Finding the Fourth Proportional to 122,446.80, 183,670.20 and 43,563.60

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Solution

The fourth proportional to 122,446.80, 183,670.20 and 43,563.60 is: 65,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,446.80 : 183,670.20 = 43,563.60 : x
  2. Step 2: Convert to fraction form
    122,446.80/183,670.20 = 43,563.60/x
  3. Step 3: Cross multiply
    122,446.80x = 183,670.20 × 43,563.60
  4. Step 4: Simplify right side
    122,446.80x = 8,001,335,124.72
  5. Step 5: Solve for x
    x = 8,001,335,124.72/122,446.80
  6. Step 6: Final answer
    x = 65,345.40

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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.