Home / 129,078.06-193,626.84-35,583

Finding the Fourth Proportional to 129,078.06, 193,626.84 and 35,583

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Solution

The fourth proportional to 129,078.06, 193,626.84 and 35,583 is: 53,377.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,078.06 : 193,626.84 = 35,583 : x
  2. Step 2: Convert to fraction form
    129,078.06/193,626.84 = 35,583/x
  3. Step 3: Cross multiply
    129,078.06x = 193,626.84 × 35,583
  4. Step 4: Simplify right side
    129,078.06x = 6,889,823,847.72
  5. Step 5: Solve for x
    x = 6,889,823,847.72/129,078.06
  6. Step 6: Final answer
    x = 53,377.19

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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.