Home / 110,619.60-165,799.80-82,885.20

Finding the Fourth Proportional to 110,619.60, 165,799.80 and 82,885.20

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Solution

The fourth proportional to 110,619.60, 165,799.80 and 82,885.20 is: 124,230.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,619.60 : 165,799.80 = 82,885.20 : x
  2. Step 2: Convert to fraction form
    110,619.60/165,799.80 = 82,885.20/x
  3. Step 3: Cross multiply
    110,619.60x = 165,799.80 × 82,885.20
  4. Step 4: Simplify right side
    110,619.60x = 13,742,349,582.96
  5. Step 5: Solve for x
    x = 13,742,349,582.96/110,619.60
  6. Step 6: Final answer
    x = 124,230.69

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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.