Home / 118,338.60-163,308.18-67,355.25

Finding the Fourth Proportional to 118,338.60, 163,308.18 and 67,355.25

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Solution

The fourth proportional to 118,338.60, 163,308.18 and 67,355.25 is: 92,950.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,338.60 : 163,308.18 = 67,355.25 : x
  2. Step 2: Convert to fraction form
    118,338.60/163,308.18 = 67,355.25/x
  3. Step 3: Cross multiply
    118,338.60x = 163,308.18 × 67,355.25
  4. Step 4: Simplify right side
    118,338.60x = 10,999,663,290.95
  5. Step 5: Solve for x
    x = 10,999,663,290.95/118,338.60
  6. Step 6: Final answer
    x = 92,950.76

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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.