Home / 289,526.43-399,568.62-167,040.75

Finding the Fourth Proportional to 289,526.43, 399,568.62 and 167,040.75

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Solution

The fourth proportional to 289,526.43, 399,568.62 and 167,040.75 is: 230,529.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,526.43 : 399,568.62 = 167,040.75 : x
  2. Step 2: Convert to fraction form
    289,526.43/399,568.62 = 167,040.75/x
  3. Step 3: Cross multiply
    289,526.43x = 399,568.62 × 167,040.75
  4. Step 4: Simplify right side
    289,526.43x = 66,744,241,961.27
  5. Step 5: Solve for x
    x = 66,744,241,961.27/289,526.43
  6. Step 6: Final answer
    x = 230,529.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.