Home / 252,830.20-379,682.70-164,475.40

Finding the Fourth Proportional to 252,830.20, 379,682.70 and 164,475.40

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Solution

The fourth proportional to 252,830.20, 379,682.70 and 164,475.40 is: 246,997.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,830.20 : 379,682.70 = 164,475.40 : x
  2. Step 2: Convert to fraction form
    252,830.20/379,682.70 = 164,475.40/x
  3. Step 3: Cross multiply
    252,830.20x = 379,682.70 × 164,475.40
  4. Step 4: Simplify right side
    252,830.20x = 62,448,463,955.58
  5. Step 5: Solve for x
    x = 62,448,463,955.58/252,830.20
  6. Step 6: Final answer
    x = 246,997.64

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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.