Home / 105,553.28-158,340.30-30,674.08

Finding the Fourth Proportional to 105,553.28, 158,340.30 and 30,674.08

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Solution

The fourth proportional to 105,553.28, 158,340.30 and 30,674.08 is: 46,014.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,553.28 : 158,340.30 = 30,674.08 : x
  2. Step 2: Convert to fraction form
    105,553.28/158,340.30 = 30,674.08/x
  3. Step 3: Cross multiply
    105,553.28x = 158,340.30 × 30,674.08
  4. Step 4: Simplify right side
    105,553.28x = 4,856,942,633.57
  5. Step 5: Solve for x
    x = 4,856,942,633.57/105,553.28
  6. Step 6: Final answer
    x = 46,014.13

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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.