Home / 113,818.20-170,752.80-34,940.40

Finding the Fourth Proportional to 113,818.20, 170,752.80 and 34,940.40

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Solution

The fourth proportional to 113,818.20, 170,752.80 and 34,940.40 is: 52,418.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,818.20 : 170,752.80 = 34,940.40 : x
  2. Step 2: Convert to fraction form
    113,818.20/170,752.80 = 34,940.40/x
  3. Step 3: Cross multiply
    113,818.20x = 170,752.80 × 34,940.40
  4. Step 4: Simplify right side
    113,818.20x = 5,966,171,133.12
  5. Step 5: Solve for x
    x = 5,966,171,133.12/113,818.20
  6. Step 6: Final answer
    x = 52,418.43

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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.