Home / 105,436.06-158,132.22-38,858.92

Finding the Fourth Proportional to 105,436.06, 158,132.22 and 38,858.92

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Solution

The fourth proportional to 105,436.06, 158,132.22 and 38,858.92 is: 58,280.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,436.06 : 158,132.22 = 38,858.92 : x
  2. Step 2: Convert to fraction form
    105,436.06/158,132.22 = 38,858.92/x
  3. Step 3: Cross multiply
    105,436.06x = 158,132.22 × 38,858.92
  4. Step 4: Simplify right side
    105,436.06x = 6,144,847,286.40
  5. Step 5: Solve for x
    x = 6,144,847,286.40/105,436.06
  6. Step 6: Final answer
    x = 58,280.32

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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.