Home / 118,118.18-176,980.04-82,994.96

Finding the Fourth Proportional to 118,118.18, 176,980.04 and 82,994.96

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Solution

The fourth proportional to 118,118.18, 176,980.04 and 82,994.96 is: 124,353.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,118.18 : 176,980.04 = 82,994.96 : x
  2. Step 2: Convert to fraction form
    118,118.18/176,980.04 = 82,994.96/x
  3. Step 3: Cross multiply
    118,118.18x = 176,980.04 × 82,994.96
  4. Step 4: Simplify right side
    118,118.18x = 14,688,451,679.30
  5. Step 5: Solve for x
    x = 14,688,451,679.30/118,118.18
  6. Step 6: Final answer
    x = 124,353.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.