Home / 118,654.41-177,977.00-43,742.15

Finding the Fourth Proportional to 118,654.41, 177,977.00 and 43,742.15

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Solution

The fourth proportional to 118,654.41, 177,977.00 and 43,742.15 is: 65,611.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,654.41 : 177,977.00 = 43,742.15 : x
  2. Step 2: Convert to fraction form
    118,654.41/177,977.00 = 43,742.15/x
  3. Step 3: Cross multiply
    118,654.41x = 177,977.00 × 43,742.15
  4. Step 4: Simplify right side
    118,654.41x = 7,785,095,521.95
  5. Step 5: Solve for x
    x = 7,785,095,521.95/118,654.41
  6. Step 6: Final answer
    x = 65,611.51

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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.