Home / 259,518.51-389,277.15-101,636.55

Finding the Fourth Proportional to 259,518.51, 389,277.15 and 101,636.55

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Solution

The fourth proportional to 259,518.51, 389,277.15 and 101,636.55 is: 152,454.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,518.51 : 389,277.15 = 101,636.55 : x
  2. Step 2: Convert to fraction form
    259,518.51/389,277.15 = 101,636.55/x
  3. Step 3: Cross multiply
    259,518.51x = 389,277.15 × 101,636.55
  4. Step 4: Simplify right side
    259,518.51x = 39,564,786,519.83
  5. Step 5: Solve for x
    x = 39,564,786,519.83/259,518.51
  6. Step 6: Final answer
    x = 152,454.58

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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.