Home / 209,568.29-312,830.96-193,956.35

Finding the Fourth Proportional to 209,568.29, 312,830.96 and 193,956.35

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Solution

The fourth proportional to 209,568.29, 312,830.96 and 193,956.35 is: 289,526.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,568.29 : 312,830.96 = 193,956.35 : x
  2. Step 2: Convert to fraction form
    209,568.29/312,830.96 = 193,956.35/x
  3. Step 3: Cross multiply
    209,568.29x = 312,830.96 × 193,956.35
  4. Step 4: Simplify right side
    209,568.29x = 60,675,548,634.66
  5. Step 5: Solve for x
    x = 60,675,548,634.66/209,568.29
  6. Step 6: Final answer
    x = 289,526.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.