Home / 373,949.02-516,043.14-212,800.72

Finding the Fourth Proportional to 373,949.02, 516,043.14 and 212,800.72

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Solution

The fourth proportional to 373,949.02, 516,043.14 and 212,800.72 is: 293,661.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,949.02 : 516,043.14 = 212,800.72 : x
  2. Step 2: Convert to fraction form
    373,949.02/516,043.14 = 212,800.72/x
  3. Step 3: Cross multiply
    373,949.02x = 516,043.14 × 212,800.72
  4. Step 4: Simplify right side
    373,949.02x = 109,814,351,743.06
  5. Step 5: Solve for x
    x = 109,814,351,743.06/373,949.02
  6. Step 6: Final answer
    x = 293,661.29

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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.