Home / 129,127.79-193,702.82-35,633.54

Finding the Fourth Proportional to 129,127.79, 193,702.82 and 35,633.54

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Solution

The fourth proportional to 129,127.79, 193,702.82 and 35,633.54 is: 53,453.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,127.79 : 193,702.82 = 35,633.54 : x
  2. Step 2: Convert to fraction form
    129,127.79/193,702.82 = 35,633.54/x
  3. Step 3: Cross multiply
    129,127.79x = 193,702.82 × 35,633.54
  4. Step 4: Simplify right side
    129,127.79x = 6,902,316,037.90
  5. Step 5: Solve for x
    x = 6,902,316,037.90/129,127.79
  6. Step 6: Final answer
    x = 53,453.38

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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.