Home / 117,883.20-176,824.80-80,558.40

Finding the Fourth Proportional to 117,883.20, 176,824.80 and 80,558.40

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Solution

The fourth proportional to 117,883.20, 176,824.80 and 80,558.40 is: 120,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,883.20 : 176,824.80 = 80,558.40 : x
  2. Step 2: Convert to fraction form
    117,883.20/176,824.80 = 80,558.40/x
  3. Step 3: Cross multiply
    117,883.20x = 176,824.80 × 80,558.40
  4. Step 4: Simplify right side
    117,883.20x = 14,244,722,968.32
  5. Step 5: Solve for x
    x = 14,244,722,968.32/117,883.20
  6. Step 6: Final answer
    x = 120,837.60

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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.