Home / 110,401.60-165,521.40-43,808.80

Finding the Fourth Proportional to 110,401.60, 165,521.40 and 43,808.80

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Solution

The fourth proportional to 110,401.60, 165,521.40 and 43,808.80 is: 65,681.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,401.60 : 165,521.40 = 43,808.80 : x
  2. Step 2: Convert to fraction form
    110,401.60/165,521.40 = 43,808.80/x
  3. Step 3: Cross multiply
    110,401.60x = 165,521.40 × 43,808.80
  4. Step 4: Simplify right side
    110,401.60x = 7,251,293,908.32
  5. Step 5: Solve for x
    x = 7,251,293,908.32/110,401.60
  6. Step 6: Final answer
    x = 65,681.06

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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.