Home / 142,573.17-196,794.80-82,184.19

Finding the Fourth Proportional to 142,573.17, 196,794.80 and 82,184.19

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Solution

The fourth proportional to 142,573.17, 196,794.80 and 82,184.19 is: 113,439.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,573.17 : 196,794.80 = 82,184.19 : x
  2. Step 2: Convert to fraction form
    142,573.17/196,794.80 = 82,184.19/x
  3. Step 3: Cross multiply
    142,573.17x = 196,794.80 × 82,184.19
  4. Step 4: Simplify right side
    142,573.17x = 16,173,420,393.50
  5. Step 5: Solve for x
    x = 16,173,420,393.50/142,573.17
  6. Step 6: Final answer
    x = 113,439.44

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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.