Home / 197,070.12-269,987.06-189,690.07

Finding the Fourth Proportional to 197,070.12, 269,987.06 and 189,690.07

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Solution

The fourth proportional to 197,070.12, 269,987.06 and 189,690.07 is: 259,876.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,070.12 : 269,987.06 = 189,690.07 : x
  2. Step 2: Convert to fraction form
    197,070.12/269,987.06 = 189,690.07/x
  3. Step 3: Cross multiply
    197,070.12x = 269,987.06 × 189,690.07
  4. Step 4: Simplify right side
    197,070.12x = 51,213,864,310.49
  5. Step 5: Solve for x
    x = 51,213,864,310.49/197,070.12
  6. Step 6: Final answer
    x = 259,876.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.