Home / 195,717.46-270,085.50-115,150.18

Finding the Fourth Proportional to 195,717.46, 270,085.50 and 115,150.18

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Solution

The fourth proportional to 195,717.46, 270,085.50 and 115,150.18 is: 158,904.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,717.46 : 270,085.50 = 115,150.18 : x
  2. Step 2: Convert to fraction form
    195,717.46/270,085.50 = 115,150.18/x
  3. Step 3: Cross multiply
    195,717.46x = 270,085.50 × 115,150.18
  4. Step 4: Simplify right side
    195,717.46x = 31,100,393,940.39
  5. Step 5: Solve for x
    x = 31,100,393,940.39/195,717.46
  6. Step 6: Final answer
    x = 158,904.55

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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.