Home / 118,265.06-163,205.94-75,823.59

Finding the Fourth Proportional to 118,265.06, 163,205.94 and 75,823.59

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Solution

The fourth proportional to 118,265.06, 163,205.94 and 75,823.59 is: 104,636.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,265.06 : 163,205.94 = 75,823.59 : x
  2. Step 2: Convert to fraction form
    118,265.06/163,205.94 = 75,823.59/x
  3. Step 3: Cross multiply
    118,265.06x = 163,205.94 × 75,823.59
  4. Step 4: Simplify right side
    118,265.06x = 12,374,860,749.98
  5. Step 5: Solve for x
    x = 12,374,860,749.98/118,265.06
  6. Step 6: Final answer
    x = 104,636.66

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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.