Home / 165,528.12-248,185.35-70,820.10

Finding the Fourth Proportional to 165,528.12, 248,185.35 and 70,820.10

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Solution

The fourth proportional to 165,528.12, 248,185.35 and 70,820.10 is: 106,184.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,528.12 : 248,185.35 = 70,820.10 : x
  2. Step 2: Convert to fraction form
    165,528.12/248,185.35 = 70,820.10/x
  3. Step 3: Cross multiply
    165,528.12x = 248,185.35 × 70,820.10
  4. Step 4: Simplify right side
    165,528.12x = 17,576,511,305.54
  5. Step 5: Solve for x
    x = 17,576,511,305.54/165,528.12
  6. Step 6: Final answer
    x = 106,184.44

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1.5x scale

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.