Home / 105,429.65-158,126.85-46,249.43

Finding the Fourth Proportional to 105,429.65, 158,126.85 and 46,249.43

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Solution

The fourth proportional to 105,429.65, 158,126.85 and 46,249.43 is: 69,366.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,429.65 : 158,126.85 = 46,249.43 : x
  2. Step 2: Convert to fraction form
    105,429.65/158,126.85 = 46,249.43/x
  3. Step 3: Cross multiply
    105,429.65x = 158,126.85 × 46,249.43
  4. Step 4: Simplify right side
    105,429.65x = 7,313,275,889.56
  5. Step 5: Solve for x
    x = 7,313,275,889.56/105,429.65
  6. Step 6: Final answer
    x = 69,366.41

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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.