Home / 142,763.30-197,030.86-82,333.94

Finding the Fourth Proportional to 142,763.30, 197,030.86 and 82,333.94

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Solution

The fourth proportional to 142,763.30, 197,030.86 and 82,333.94 is: 113,630.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,763.30 : 197,030.86 = 82,333.94 : x
  2. Step 2: Convert to fraction form
    142,763.30/197,030.86 = 82,333.94/x
  3. Step 3: Cross multiply
    142,763.30x = 197,030.86 × 82,333.94
  4. Step 4: Simplify right side
    142,763.30x = 16,222,327,005.39
  5. Step 5: Solve for x
    x = 16,222,327,005.39/142,763.30
  6. Step 6: Final answer
    x = 113,630.93

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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.