Home / 122,514.86-169,074.60-68,809.34

Finding the Fourth Proportional to 122,514.86, 169,074.60 and 68,809.34

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Solution

The fourth proportional to 122,514.86, 169,074.60 and 68,809.34 is: 94,959.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,514.86 : 169,074.60 = 68,809.34 : x
  2. Step 2: Convert to fraction form
    122,514.86/169,074.60 = 68,809.34/x
  3. Step 3: Cross multiply
    122,514.86x = 169,074.60 × 68,809.34
  4. Step 4: Simplify right side
    122,514.86x = 11,633,911,636.76
  5. Step 5: Solve for x
    x = 11,633,911,636.76/122,514.86
  6. Step 6: Final answer
    x = 94,959.19

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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.