Home / 259,717.38-389,751.03-101,927.22

Finding the Fourth Proportional to 259,717.38, 389,751.03 and 101,927.22

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Solution

The fourth proportional to 259,717.38, 389,751.03 and 101,927.22 is: 152,959.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,717.38 : 389,751.03 = 101,927.22 : x
  2. Step 2: Convert to fraction form
    259,717.38/389,751.03 = 101,927.22/x
  3. Step 3: Cross multiply
    259,717.38x = 389,751.03 × 101,927.22
  4. Step 4: Simplify right side
    259,717.38x = 39,726,238,980.04
  5. Step 5: Solve for x
    x = 39,726,238,980.04/259,717.38
  6. Step 6: Final answer
    x = 152,959.49

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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.