Home / 110,720.40-165,643.20-96,091.80

Finding the Fourth Proportional to 110,720.40, 165,643.20 and 96,091.80

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Solution

The fourth proportional to 110,720.40, 165,643.20 and 96,091.80 is: 143,758.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,720.40 : 165,643.20 = 96,091.80 : x
  2. Step 2: Convert to fraction form
    110,720.40/165,643.20 = 96,091.80/x
  3. Step 3: Cross multiply
    110,720.40x = 165,643.20 × 96,091.80
  4. Step 4: Simplify right side
    110,720.40x = 15,916,953,245.76
  5. Step 5: Solve for x
    x = 15,916,953,245.76/110,720.40
  6. Step 6: Final answer
    x = 143,758.09

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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.