Home / 105,461.33-158,207.55-30,571.73

Finding the Fourth Proportional to 105,461.33, 158,207.55 and 30,571.73

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Solution

The fourth proportional to 105,461.33, 158,207.55 and 30,571.73 is: 45,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,461.33 : 158,207.55 = 30,571.73 : x
  2. Step 2: Convert to fraction form
    105,461.33/158,207.55 = 30,571.73/x
  3. Step 3: Cross multiply
    105,461.33x = 158,207.55 × 30,571.73
  4. Step 4: Simplify right side
    105,461.33x = 4,836,678,190.16
  5. Step 5: Solve for x
    x = 4,836,678,190.16/105,461.33
  6. Step 6: Final answer
    x = 45,862.10

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1.5x scale

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.