Home / 105,450.39-158,195.63-38,895.73

Finding the Fourth Proportional to 105,450.39, 158,195.63 and 38,895.73

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Solution

The fourth proportional to 105,450.39, 158,195.63 and 38,895.73 is: 58,350.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,450.39 : 158,195.63 = 38,895.73 : x
  2. Step 2: Convert to fraction form
    105,450.39/158,195.63 = 38,895.73/x
  3. Step 3: Cross multiply
    105,450.39x = 158,195.63 × 38,895.73
  4. Step 4: Simplify right side
    105,450.39x = 6,153,134,213.41
  5. Step 5: Solve for x
    x = 6,153,134,213.41/105,450.39
  6. Step 6: Final answer
    x = 58,350.99

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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.