Home / 154,584.72-231,543.81-104,388.80

Finding the Fourth Proportional to 154,584.72, 231,543.81 and 104,388.80

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Solution

The fourth proportional to 154,584.72, 231,543.81 and 104,388.80 is: 156,358.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,584.72 : 231,543.81 = 104,388.80 : x
  2. Step 2: Convert to fraction form
    154,584.72/231,543.81 = 104,388.80/x
  3. Step 3: Cross multiply
    154,584.72x = 231,543.81 × 104,388.80
  4. Step 4: Simplify right side
    154,584.72x = 24,170,579,315.61
  5. Step 5: Solve for x
    x = 24,170,579,315.61/154,584.72
  6. Step 6: Final answer
    x = 156,358.14

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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.