Home / 325,918.13-489,094.11-133,949.98

Finding the Fourth Proportional to 325,918.13, 489,094.11 and 133,949.98

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Solution

The fourth proportional to 325,918.13, 489,094.11 and 133,949.98 is: 201,014.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,918.13 : 489,094.11 = 133,949.98 : x
  2. Step 2: Convert to fraction form
    325,918.13/489,094.11 = 133,949.98/x
  3. Step 3: Cross multiply
    325,918.13x = 489,094.11 × 133,949.98
  4. Step 4: Simplify right side
    325,918.13x = 65,514,146,863.99
  5. Step 5: Solve for x
    x = 65,514,146,863.99/325,918.13
  6. Step 6: Final answer
    x = 201,014.13

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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.