Home / 289,164.58-433,837.61-173,891.75

Finding the Fourth Proportional to 289,164.58, 433,837.61 and 173,891.75

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Solution

The fourth proportional to 289,164.58, 433,837.61 and 173,891.75 is: 260,892.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,164.58 : 433,837.61 = 173,891.75 : x
  2. Step 2: Convert to fraction form
    289,164.58/433,837.61 = 173,891.75/x
  3. Step 3: Cross multiply
    289,164.58x = 433,837.61 × 173,891.75
  4. Step 4: Simplify right side
    289,164.58x = 75,440,781,218.72
  5. Step 5: Solve for x
    x = 75,440,781,218.72/289,164.58
  6. Step 6: Final answer
    x = 260,892.19

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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.