Home / 320,185.11-480,360.62-170,302.03

Finding the Fourth Proportional to 320,185.11, 480,360.62 and 170,302.03

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Solution

The fourth proportional to 320,185.11, 480,360.62 and 170,302.03 is: 255,497.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,185.11 : 480,360.62 = 170,302.03 : x
  2. Step 2: Convert to fraction form
    320,185.11/480,360.62 = 170,302.03/x
  3. Step 3: Cross multiply
    320,185.11x = 480,360.62 × 170,302.03
  4. Step 4: Simplify right side
    320,185.11x = 81,806,388,718.06
  5. Step 5: Solve for x
    x = 81,806,388,718.06/320,185.11
  6. Step 6: Final answer
    x = 255,497.17

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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.