Home / 113,511.20-170,266.80-101,045.30

Finding the Fourth Proportional to 113,511.20, 170,266.80 and 101,045.30

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Solution

The fourth proportional to 113,511.20, 170,266.80 and 101,045.30 is: 151,567.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,511.20 : 170,266.80 = 101,045.30 : x
  2. Step 2: Convert to fraction form
    113,511.20/170,266.80 = 101,045.30/x
  3. Step 3: Cross multiply
    113,511.20x = 170,266.80 × 101,045.30
  4. Step 4: Simplify right side
    113,511.20x = 17,204,659,886.04
  5. Step 5: Solve for x
    x = 17,204,659,886.04/113,511.20
  6. Step 6: Final answer
    x = 151,567.95

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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.