Home / 289,261.82-433,145.10-199,581.06

Finding the Fourth Proportional to 289,261.82, 433,145.10 and 199,581.06

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Solution

The fourth proportional to 289,261.82, 433,145.10 and 199,581.06 is: 298,855.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,261.82 : 433,145.10 = 199,581.06 : x
  2. Step 2: Convert to fraction form
    289,261.82/433,145.10 = 199,581.06/x
  3. Step 3: Cross multiply
    289,261.82x = 433,145.10 × 199,581.06
  4. Step 4: Simplify right side
    289,261.82x = 86,447,558,191.81
  5. Step 5: Solve for x
    x = 86,447,558,191.81/289,261.82
  6. Step 6: Final answer
    x = 298,855.75

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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.