Home / 142,530.39-196,530.98-106,605.27

Finding the Fourth Proportional to 142,530.39, 196,530.98 and 106,605.27

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Solution

The fourth proportional to 142,530.39, 196,530.98 and 106,605.27 is: 146,994.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,530.39 : 196,530.98 = 106,605.27 : x
  2. Step 2: Convert to fraction form
    142,530.39/196,530.98 = 106,605.27/x
  3. Step 3: Cross multiply
    142,530.39x = 196,530.98 × 106,605.27
  4. Step 4: Simplify right side
    142,530.39x = 20,951,237,653.24
  5. Step 5: Solve for x
    x = 20,951,237,653.24/142,530.39
  6. Step 6: Final answer
    x = 146,994.88

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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.