Home / 140,063.41-193,279.73-79,625.67

Finding the Fourth Proportional to 140,063.41, 193,279.73 and 79,625.67

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Solution

The fourth proportional to 140,063.41, 193,279.73 and 79,625.67 is: 109,879.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,063.41 : 193,279.73 = 79,625.67 : x
  2. Step 2: Convert to fraction form
    140,063.41/193,279.73 = 79,625.67/x
  3. Step 3: Cross multiply
    140,063.41x = 193,279.73 × 79,625.67
  4. Step 4: Simplify right side
    140,063.41x = 15,390,027,998.67
  5. Step 5: Solve for x
    x = 15,390,027,998.67/140,063.41
  6. Step 6: Final answer
    x = 109,879.00

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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.