Home / 129,132.48-193,709.85-35,638.23

Finding the Fourth Proportional to 129,132.48, 193,709.85 and 35,638.23

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Solution

The fourth proportional to 129,132.48, 193,709.85 and 35,638.23 is: 53,460.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,132.48 : 193,709.85 = 35,638.23 : x
  2. Step 2: Convert to fraction form
    129,132.48/193,709.85 = 35,638.23/x
  3. Step 3: Cross multiply
    129,132.48x = 193,709.85 × 35,638.23
  4. Step 4: Simplify right side
    129,132.48x = 6,903,476,187.57
  5. Step 5: Solve for x
    x = 6,903,476,187.57/129,132.48
  6. Step 6: Final answer
    x = 53,460.42

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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.