Home / 158,556.46-218,777.11-94,013.77

Finding the Fourth Proportional to 158,556.46, 218,777.11 and 94,013.77

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Solution

The fourth proportional to 158,556.46, 218,777.11 and 94,013.77 is: 129,720.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,556.46 : 218,777.11 = 94,013.77 : x
  2. Step 2: Convert to fraction form
    158,556.46/218,777.11 = 94,013.77/x
  3. Step 3: Cross multiply
    158,556.46x = 218,777.11 × 94,013.77
  4. Step 4: Simplify right side
    158,556.46x = 20,568,060,900.80
  5. Step 5: Solve for x
    x = 20,568,060,900.80/158,556.46
  6. Step 6: Final answer
    x = 129,720.74

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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.