Home / 105,409.44-158,176.47-38,896.32

Finding the Fourth Proportional to 105,409.44, 158,176.47 and 38,896.32

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Solution

The fourth proportional to 105,409.44, 158,176.47 and 38,896.32 is: 58,367.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,409.44 : 158,176.47 = 38,896.32 : x
  2. Step 2: Convert to fraction form
    105,409.44/158,176.47 = 38,896.32/x
  3. Step 3: Cross multiply
    105,409.44x = 158,176.47 × 38,896.32
  4. Step 4: Simplify right side
    105,409.44x = 6,152,482,593.59
  5. Step 5: Solve for x
    x = 6,152,482,593.59/105,409.44
  6. Step 6: Final answer
    x = 58,367.47

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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.