Home / 265,638.11-366,578.30-144,779.36

Finding the Fourth Proportional to 265,638.11, 366,578.30 and 144,779.36

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Solution

The fourth proportional to 265,638.11, 366,578.30 and 144,779.36 is: 199,794.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,638.11 : 366,578.30 = 144,779.36 : x
  2. Step 2: Convert to fraction form
    265,638.11/366,578.30 = 144,779.36/x
  3. Step 3: Cross multiply
    265,638.11x = 366,578.30 × 144,779.36
  4. Step 4: Simplify right side
    265,638.11x = 53,072,969,107.10
  5. Step 5: Solve for x
    x = 53,072,969,107.10/265,638.11
  6. Step 6: Final answer
    x = 199,794.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.