Home / 129,295.09-193,945.88-35,801.65

Finding the Fourth Proportional to 129,295.09, 193,945.88 and 35,801.65

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Solution

The fourth proportional to 129,295.09, 193,945.88 and 35,801.65 is: 53,703.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,295.09 : 193,945.88 = 35,801.65 : x
  2. Step 2: Convert to fraction form
    129,295.09/193,945.88 = 35,801.65/x
  3. Step 3: Cross multiply
    129,295.09x = 193,945.88 × 35,801.65
  4. Step 4: Simplify right side
    129,295.09x = 6,943,582,514.70
  5. Step 5: Solve for x
    x = 6,943,582,514.70/129,295.09
  6. Step 6: Final answer
    x = 53,703.37

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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.