Home / 105,576.30-158,364.90-30,696.76

Finding the Fourth Proportional to 105,576.30, 158,364.90 and 30,696.76

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Solution

The fourth proportional to 105,576.30, 158,364.90 and 30,696.76 is: 46,045.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,576.30 : 158,364.90 = 30,696.76 : x
  2. Step 2: Convert to fraction form
    105,576.30/158,364.90 = 30,696.76/x
  3. Step 3: Cross multiply
    105,576.30x = 158,364.90 × 30,696.76
  4. Step 4: Simplify right side
    105,576.30x = 4,861,289,327.72
  5. Step 5: Solve for x
    x = 4,861,289,327.72/105,576.30
  6. Step 6: Final answer
    x = 46,045.27

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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.