Home / 300,586.16-415,089.89-193,342.37

Finding the Fourth Proportional to 300,586.16, 415,089.89 and 193,342.37

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Solution

The fourth proportional to 300,586.16, 415,089.89 and 193,342.37 is: 266,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,586.16 : 415,089.89 = 193,342.37 : x
  2. Step 2: Convert to fraction form
    300,586.16/415,089.89 = 193,342.37/x
  3. Step 3: Cross multiply
    300,586.16x = 415,089.89 × 193,342.37
  4. Step 4: Simplify right side
    300,586.16x = 80,254,460,053.48
  5. Step 5: Solve for x
    x = 80,254,460,053.48/300,586.16
  6. Step 6: Final answer
    x = 266,993.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.