Home / 129,518.13-194,268.27-79,605.93

Finding the Fourth Proportional to 129,518.13, 194,268.27 and 79,605.93

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Solution

The fourth proportional to 129,518.13, 194,268.27 and 79,605.93 is: 119,403.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,518.13 : 194,268.27 = 79,605.93 : x
  2. Step 2: Convert to fraction form
    129,518.13/194,268.27 = 79,605.93/x
  3. Step 3: Cross multiply
    129,518.13x = 194,268.27 × 79,605.93
  4. Step 4: Simplify right side
    129,518.13x = 15,464,906,302.84
  5. Step 5: Solve for x
    x = 15,464,906,302.84/129,518.13
  6. Step 6: Final answer
    x = 119,403.41

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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.