Home / 142,960.90-197,282.24-82,529.50

Finding the Fourth Proportional to 142,960.90, 197,282.24 and 82,529.50

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Solution

The fourth proportional to 142,960.90, 197,282.24 and 82,529.50 is: 113,888.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,960.90 : 197,282.24 = 82,529.50 : x
  2. Step 2: Convert to fraction form
    142,960.90/197,282.24 = 82,529.50/x
  3. Step 3: Cross multiply
    142,960.90x = 197,282.24 × 82,529.50
  4. Step 4: Simplify right side
    142,960.90x = 16,281,604,213.43
  5. Step 5: Solve for x
    x = 16,281,604,213.43/142,960.90
  6. Step 6: Final answer
    x = 113,888.51

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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.