Home / 195,863.03-270,191.49-127,919.77

Finding the Fourth Proportional to 195,863.03, 270,191.49 and 127,919.77

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Solution

The fourth proportional to 195,863.03, 270,191.49 and 127,919.77 is: 176,464.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,863.03 : 270,191.49 = 127,919.77 : x
  2. Step 2: Convert to fraction form
    195,863.03/270,191.49 = 127,919.77/x
  3. Step 3: Cross multiply
    195,863.03x = 270,191.49 × 127,919.77
  4. Step 4: Simplify right side
    195,863.03x = 34,562,833,256.76
  5. Step 5: Solve for x
    x = 34,562,833,256.76/195,863.03
  6. Step 6: Final answer
    x = 176,464.30

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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.