Home / 190,222.03-262,514.66-105,339.09

Finding the Fourth Proportional to 190,222.03, 262,514.66 and 105,339.09

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Solution

The fourth proportional to 190,222.03, 262,514.66 and 105,339.09 is: 145,372.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,222.03 : 262,514.66 = 105,339.09 : x
  2. Step 2: Convert to fraction form
    190,222.03/262,514.66 = 105,339.09/x
  3. Step 3: Cross multiply
    190,222.03x = 262,514.66 × 105,339.09
  4. Step 4: Simplify right side
    190,222.03x = 27,653,055,853.79
  5. Step 5: Solve for x
    x = 27,653,055,853.79/190,222.03
  6. Step 6: Final answer
    x = 145,372.52

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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.