Home / 113,826.20-170,739.30-76,501.40

Finding the Fourth Proportional to 113,826.20, 170,739.30 and 76,501.40

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Solution

The fourth proportional to 113,826.20, 170,739.30 and 76,501.40 is: 114,752.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,826.20 : 170,739.30 = 76,501.40 : x
  2. Step 2: Convert to fraction form
    113,826.20/170,739.30 = 76,501.40/x
  3. Step 3: Cross multiply
    113,826.20x = 170,739.30 × 76,501.40
  4. Step 4: Simplify right side
    113,826.20x = 13,061,795,485.02
  5. Step 5: Solve for x
    x = 13,061,795,485.02/113,826.20
  6. Step 6: Final answer
    x = 114,752.10

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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.