Home / 117,975.58-162,841.88-80,271.70

Finding the Fourth Proportional to 117,975.58, 162,841.88 and 80,271.70

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Solution

The fourth proportional to 117,975.58, 162,841.88 and 80,271.70 is: 110,799.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,975.58 : 162,841.88 = 80,271.70 : x
  2. Step 2: Convert to fraction form
    117,975.58/162,841.88 = 80,271.70/x
  3. Step 3: Cross multiply
    117,975.58x = 162,841.88 × 80,271.70
  4. Step 4: Simplify right side
    117,975.58x = 13,071,594,538.80
  5. Step 5: Solve for x
    x = 13,071,594,538.80/117,975.58
  6. Step 6: Final answer
    x = 110,799.15

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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.