Home / 110,290.12-165,509.30-109,884.31

Finding the Fourth Proportional to 110,290.12, 165,509.30 and 109,884.31

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Solution

The fourth proportional to 110,290.12, 165,509.30 and 109,884.31 is: 164,900.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,290.12 : 165,509.30 = 109,884.31 : x
  2. Step 2: Convert to fraction form
    110,290.12/165,509.30 = 109,884.31/x
  3. Step 3: Cross multiply
    110,290.12x = 165,509.30 × 109,884.31
  4. Step 4: Simplify right side
    110,290.12x = 18,186,875,229.08
  5. Step 5: Solve for x
    x = 18,186,875,229.08/110,290.12
  6. Step 6: Final answer
    x = 164,900.31

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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.