Home / 117,973.34-162,838.78-80,269.46

Finding the Fourth Proportional to 117,973.34, 162,838.78 and 80,269.46

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Solution

The fourth proportional to 117,973.34, 162,838.78 and 80,269.46 is: 110,796.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,973.34 : 162,838.78 = 80,269.46 : x
  2. Step 2: Convert to fraction form
    117,973.34/162,838.78 = 80,269.46/x
  3. Step 3: Cross multiply
    117,973.34x = 162,838.78 × 80,269.46
  4. Step 4: Simplify right side
    117,973.34x = 13,070,979,922.79
  5. Step 5: Solve for x
    x = 13,070,979,922.79/117,973.34
  6. Step 6: Final answer
    x = 110,796.05

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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.