Home / 196,257.44-270,870.72-115,680.32

Finding the Fourth Proportional to 196,257.44, 270,870.72 and 115,680.32

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Solution

The fourth proportional to 196,257.44, 270,870.72 and 115,680.32 is: 159,659.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,257.44 : 270,870.72 = 115,680.32 : x
  2. Step 2: Convert to fraction form
    196,257.44/270,870.72 = 115,680.32/x
  3. Step 3: Cross multiply
    196,257.44x = 270,870.72 × 115,680.32
  4. Step 4: Simplify right side
    196,257.44x = 31,334,411,568.23
  5. Step 5: Solve for x
    x = 31,334,411,568.23/196,257.44
  6. Step 6: Final answer
    x = 159,659.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.