Home / 289,025.33-433,579.54-89,361.29

Finding the Fourth Proportional to 289,025.33, 433,579.54 and 89,361.29

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Solution

The fourth proportional to 289,025.33, 433,579.54 and 89,361.29 is: 134,054.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,025.33 : 433,579.54 = 89,361.29 : x
  2. Step 2: Convert to fraction form
    289,025.33/433,579.54 = 89,361.29/x
  3. Step 3: Cross multiply
    289,025.33x = 433,579.54 × 89,361.29
  4. Step 4: Simplify right side
    289,025.33x = 38,745,227,012.01
  5. Step 5: Solve for x
    x = 38,745,227,012.01/289,025.33
  6. Step 6: Final answer
    x = 134,054.78

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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.