Home / 119,052.20-164,299.32-78,695.96

Finding the Fourth Proportional to 119,052.20, 164,299.32 and 78,695.96

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Solution

The fourth proportional to 119,052.20, 164,299.32 and 78,695.96 is: 108,605.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,052.20 : 164,299.32 = 78,695.96 : x
  2. Step 2: Convert to fraction form
    119,052.20/164,299.32 = 78,695.96/x
  3. Step 3: Cross multiply
    119,052.20x = 164,299.32 × 78,695.96
  4. Step 4: Simplify right side
    119,052.20x = 12,929,692,714.75
  5. Step 5: Solve for x
    x = 12,929,692,714.75/119,052.20
  6. Step 6: Final answer
    x = 108,605.24

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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.