Home / 195,809.49-270,196.79-115,232.21

Finding the Fourth Proportional to 195,809.49, 270,196.79 and 115,232.21

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Solution

The fourth proportional to 195,809.49, 270,196.79 and 115,232.21 is: 159,008.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,809.49 : 270,196.79 = 115,232.21 : x
  2. Step 2: Convert to fraction form
    195,809.49/270,196.79 = 115,232.21/x
  3. Step 3: Cross multiply
    195,809.49x = 270,196.79 × 115,232.21
  4. Step 4: Simplify right side
    195,809.49x = 31,135,373,246.61
  5. Step 5: Solve for x
    x = 31,135,373,246.61/195,809.49
  6. Step 6: Final answer
    x = 159,008.50

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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.