Home / 113,826.40-170,624.40-67,055.20

Finding the Fourth Proportional to 113,826.40, 170,624.40 and 67,055.20

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Solution

The fourth proportional to 113,826.40, 170,624.40 and 67,055.20 is: 100,514.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,826.40 : 170,624.40 = 67,055.20 : x
  2. Step 2: Convert to fraction form
    113,826.40/170,624.40 = 67,055.20/x
  3. Step 3: Cross multiply
    113,826.40x = 170,624.40 × 67,055.20
  4. Step 4: Simplify right side
    113,826.40x = 11,441,253,266.88
  5. Step 5: Solve for x
    x = 11,441,253,266.88/113,826.40
  6. Step 6: Final answer
    x = 100,514.94

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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.