Home / 195,747.27-270,118.45-115,159.23

Finding the Fourth Proportional to 195,747.27, 270,118.45 and 115,159.23

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Solution

The fourth proportional to 195,747.27, 270,118.45 and 115,159.23 is: 158,912.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,747.27 : 270,118.45 = 115,159.23 : x
  2. Step 2: Convert to fraction form
    195,747.27/270,118.45 = 115,159.23/x
  3. Step 3: Cross multiply
    195,747.27x = 270,118.45 × 115,159.23
  4. Step 4: Simplify right side
    195,747.27x = 31,106,630,784.41
  5. Step 5: Solve for x
    x = 31,106,630,784.41/195,747.27
  6. Step 6: Final answer
    x = 158,912.21

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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.