Home / 343,545.03-515,470.91-133,199.37

Finding the Fourth Proportional to 343,545.03, 515,470.91 and 133,199.37

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Solution

The fourth proportional to 343,545.03, 515,470.91 and 133,199.37 is: 199,858.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,545.03 : 515,470.91 = 133,199.37 : x
  2. Step 2: Convert to fraction form
    343,545.03/515,470.91 = 133,199.37/x
  3. Step 3: Cross multiply
    343,545.03x = 515,470.91 × 133,199.37
  4. Step 4: Simplify right side
    343,545.03x = 68,660,399,799.33
  5. Step 5: Solve for x
    x = 68,660,399,799.33/343,545.03
  6. Step 6: Final answer
    x = 199,858.52

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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.