Home / 188,085.51-259,557.98-107,514.77

Finding the Fourth Proportional to 188,085.51, 259,557.98 and 107,514.77

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Solution

The fourth proportional to 188,085.51, 259,557.98 and 107,514.77 is: 148,370.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,085.51 : 259,557.98 = 107,514.77 : x
  2. Step 2: Convert to fraction form
    188,085.51/259,557.98 = 107,514.77/x
  3. Step 3: Cross multiply
    188,085.51x = 259,557.98 × 107,514.77
  4. Step 4: Simplify right side
    188,085.51x = 27,906,315,492.36
  5. Step 5: Solve for x
    x = 27,906,315,492.36/188,085.51
  6. Step 6: Final answer
    x = 148,370.36

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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.