Home / 395,337.11-545,562.90-214,045.23

Finding the Fourth Proportional to 395,337.11, 545,562.90 and 214,045.23

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Solution

The fourth proportional to 395,337.11, 545,562.90 and 214,045.23 is: 295,381.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,337.11 : 545,562.90 = 214,045.23 : x
  2. Step 2: Convert to fraction form
    395,337.11/545,562.90 = 214,045.23/x
  3. Step 3: Cross multiply
    395,337.11x = 545,562.90 × 214,045.23
  4. Step 4: Simplify right side
    395,337.11x = 116,775,136,409.97
  5. Step 5: Solve for x
    x = 116,775,136,409.97/395,337.11
  6. Step 6: Final answer
    x = 295,381.17

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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.