Home / 127,080.66-190,320.43-110,349.77

Finding the Fourth Proportional to 127,080.66, 190,320.43 and 110,349.77

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Solution

The fourth proportional to 127,080.66, 190,320.43 and 110,349.77 is: 165,263.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,080.66 : 190,320.43 = 110,349.77 : x
  2. Step 2: Convert to fraction form
    127,080.66/190,320.43 = 110,349.77/x
  3. Step 3: Cross multiply
    127,080.66x = 190,320.43 × 110,349.77
  4. Step 4: Simplify right side
    127,080.66x = 21,001,815,676.80
  5. Step 5: Solve for x
    x = 21,001,815,676.80/127,080.66
  6. Step 6: Final answer
    x = 165,263.67

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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.