Home / 118,071.66-177,140.43-51,517.74

Finding the Fourth Proportional to 118,071.66, 177,140.43 and 51,517.74

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Solution

The fourth proportional to 118,071.66, 177,140.43 and 51,517.74 is: 77,290.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,071.66 : 177,140.43 = 51,517.74 : x
  2. Step 2: Convert to fraction form
    118,071.66/177,140.43 = 51,517.74/x
  3. Step 3: Cross multiply
    118,071.66x = 177,140.43 × 51,517.74
  4. Step 4: Simplify right side
    118,071.66x = 9,125,874,616.23
  5. Step 5: Solve for x
    x = 9,125,874,616.23/118,071.66
  6. Step 6: Final answer
    x = 77,290.98

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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.