Home / 110,209.01-165,507.32-108,631.31

Finding the Fourth Proportional to 110,209.01, 165,507.32 and 108,631.31

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Solution

The fourth proportional to 110,209.01, 165,507.32 and 108,631.31 is: 163,138.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,209.01 : 165,507.32 = 108,631.31 : x
  2. Step 2: Convert to fraction form
    110,209.01/165,507.32 = 108,631.31/x
  3. Step 3: Cross multiply
    110,209.01x = 165,507.32 × 108,631.31
  4. Step 4: Simplify right side
    110,209.01x = 17,979,276,430.23
  5. Step 5: Solve for x
    x = 17,979,276,430.23/110,209.01
  6. Step 6: Final answer
    x = 163,138.00

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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.