Home / 190,876.98-285,879.29-91,107.23

Finding the Fourth Proportional to 190,876.98, 285,879.29 and 91,107.23

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Solution

The fourth proportional to 190,876.98, 285,879.29 and 91,107.23 is: 136,452.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,876.98 : 285,879.29 = 91,107.23 : x
  2. Step 2: Convert to fraction form
    190,876.98/285,879.29 = 91,107.23/x
  3. Step 3: Cross multiply
    190,876.98x = 285,879.29 × 91,107.23
  4. Step 4: Simplify right side
    190,876.98x = 26,045,668,341.33
  5. Step 5: Solve for x
    x = 26,045,668,341.33/190,876.98
  6. Step 6: Final answer
    x = 136,452.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.