Home / 289,257.82-433,139.10-199,577.05

Finding the Fourth Proportional to 289,257.82, 433,139.10 and 199,577.05

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Solution

The fourth proportional to 289,257.82, 433,139.10 and 199,577.05 is: 298,849.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,257.82 : 433,139.10 = 199,577.05 : x
  2. Step 2: Convert to fraction form
    289,257.82/433,139.10 = 199,577.05/x
  3. Step 3: Cross multiply
    289,257.82x = 433,139.10 × 199,577.05
  4. Step 4: Simplify right side
    289,257.82x = 86,444,623,817.66
  5. Step 5: Solve for x
    x = 86,444,623,817.66/289,257.82
  6. Step 6: Final answer
    x = 298,849.74

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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.