Home / 132,767.10-199,021.05-118,770.30

Finding the Fourth Proportional to 132,767.10, 199,021.05 and 118,770.30

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Solution

The fourth proportional to 132,767.10, 199,021.05 and 118,770.30 is: 178,039.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,767.10 : 199,021.05 = 118,770.30 : x
  2. Step 2: Convert to fraction form
    132,767.10/199,021.05 = 118,770.30/x
  3. Step 3: Cross multiply
    132,767.10x = 199,021.05 × 118,770.30
  4. Step 4: Simplify right side
    132,767.10x = 23,637,789,814.82
  5. Step 5: Solve for x
    x = 23,637,789,814.82/132,767.10
  6. Step 6: Final answer
    x = 178,039.51

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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.