Home / 373,554.18-515,514.78-212,435.46

Finding the Fourth Proportional to 373,554.18, 515,514.78 and 212,435.46

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Solution

The fourth proportional to 373,554.18, 515,514.78 and 212,435.46 is: 293,166.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,554.18 : 515,514.78 = 212,435.46 : x
  2. Step 2: Convert to fraction form
    373,554.18/515,514.78 = 212,435.46/x
  3. Step 3: Cross multiply
    373,554.18x = 515,514.78 × 212,435.46
  4. Step 4: Simplify right side
    373,554.18x = 109,513,619,426.10
  5. Step 5: Solve for x
    x = 109,513,619,426.10/373,554.18
  6. Step 6: Final answer
    x = 293,166.63

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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.