Home / 110,322.40-165,094.80-76,885.60

Finding the Fourth Proportional to 110,322.40, 165,094.80 and 76,885.60

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Solution

The fourth proportional to 110,322.40, 165,094.80 and 76,885.60 is: 115,057.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,322.40 : 165,094.80 = 76,885.60 : x
  2. Step 2: Convert to fraction form
    110,322.40/165,094.80 = 76,885.60/x
  3. Step 3: Cross multiply
    110,322.40x = 165,094.80 × 76,885.60
  4. Step 4: Simplify right side
    110,322.40x = 12,693,412,754.88
  5. Step 5: Solve for x
    x = 12,693,412,754.88/110,322.40
  6. Step 6: Final answer
    x = 115,057.44

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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.