Home / 402,816.04-604,273.26-136,652.68

Finding the Fourth Proportional to 402,816.04, 604,273.26 and 136,652.68

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Solution

The fourth proportional to 402,816.04, 604,273.26 and 136,652.68 is: 204,995.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,816.04 : 604,273.26 = 136,652.68 : x
  2. Step 2: Convert to fraction form
    402,816.04/604,273.26 = 136,652.68/x
  3. Step 3: Cross multiply
    402,816.04x = 604,273.26 × 136,652.68
  4. Step 4: Simplify right side
    402,816.04x = 82,575,560,431.34
  5. Step 5: Solve for x
    x = 82,575,560,431.34/402,816.04
  6. Step 6: Final answer
    x = 204,995.71

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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.