Home / 315,704.09-473,560.24-105,342.03

Finding the Fourth Proportional to 315,704.09, 473,560.24 and 105,342.03

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Solution

The fourth proportional to 315,704.09, 473,560.24 and 105,342.03 is: 158,014.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,704.09 : 473,560.24 = 105,342.03 : x
  2. Step 2: Convert to fraction form
    315,704.09/473,560.24 = 105,342.03/x
  3. Step 3: Cross multiply
    315,704.09x = 473,560.24 × 105,342.03
  4. Step 4: Simplify right side
    315,704.09x = 49,885,797,008.89
  5. Step 5: Solve for x
    x = 49,885,797,008.89/315,704.09
  6. Step 6: Final answer
    x = 158,014.41

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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.