Home / 129,143.06-193,725.70-35,648.80

Finding the Fourth Proportional to 129,143.06, 193,725.70 and 35,648.80

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Solution

The fourth proportional to 129,143.06, 193,725.70 and 35,648.80 is: 53,476.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,143.06 : 193,725.70 = 35,648.80 : x
  2. Step 2: Convert to fraction form
    129,143.06/193,725.70 = 35,648.80/x
  3. Step 3: Cross multiply
    129,143.06x = 193,725.70 × 35,648.80
  4. Step 4: Simplify right side
    129,143.06x = 6,906,088,734.16
  5. Step 5: Solve for x
    x = 6,906,088,734.16/129,143.06
  6. Step 6: Final answer
    x = 53,476.27

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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.