Home / 113,729.64-170,244.54-74,201.64

Finding the Fourth Proportional to 113,729.64, 170,244.54 and 74,201.64

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Solution

The fourth proportional to 113,729.64, 170,244.54 and 74,201.64 is: 111,074.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,729.64 : 170,244.54 = 74,201.64 : x
  2. Step 2: Convert to fraction form
    113,729.64/170,244.54 = 74,201.64/x
  3. Step 3: Cross multiply
    113,729.64x = 170,244.54 × 74,201.64
  4. Step 4: Simplify right side
    113,729.64x = 12,632,424,069.05
  5. Step 5: Solve for x
    x = 12,632,424,069.05/113,729.64
  6. Step 6: Final answer
    x = 111,074.16

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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.