Home / 110,532.60-165,628.80-82,320.30

Finding the Fourth Proportional to 110,532.60, 165,628.80 and 82,320.30

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Solution

The fourth proportional to 110,532.60, 165,628.80 and 82,320.30 is: 123,353.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,532.60 : 165,628.80 = 82,320.30 : x
  2. Step 2: Convert to fraction form
    110,532.60/165,628.80 = 82,320.30/x
  3. Step 3: Cross multiply
    110,532.60x = 165,628.80 × 82,320.30
  4. Step 4: Simplify right side
    110,532.60x = 13,634,612,504.64
  5. Step 5: Solve for x
    x = 13,634,612,504.64/110,532.60
  6. Step 6: Final answer
    x = 123,353.77

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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.