Home / 140,063.94-193,280.34-79,626.18

Finding the Fourth Proportional to 140,063.94, 193,280.34 and 79,626.18

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Solution

The fourth proportional to 140,063.94, 193,280.34 and 79,626.18 is: 109,879.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,063.94 : 193,280.34 = 79,626.18 : x
  2. Step 2: Convert to fraction form
    140,063.94/193,280.34 = 79,626.18/x
  3. Step 3: Cross multiply
    140,063.94x = 193,280.34 × 79,626.18
  4. Step 4: Simplify right side
    140,063.94x = 15,390,175,143.30
  5. Step 5: Solve for x
    x = 15,390,175,143.30/140,063.94
  6. Step 6: Final answer
    x = 109,879.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.