Home / 118,635.62-163,624.74-76,198.10

Finding the Fourth Proportional to 118,635.62, 163,624.74 and 76,198.10

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Solution

The fourth proportional to 118,635.62, 163,624.74 and 76,198.10 is: 105,094.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,635.62 : 163,624.74 = 76,198.10 : x
  2. Step 2: Convert to fraction form
    118,635.62/163,624.74 = 76,198.10/x
  3. Step 3: Cross multiply
    118,635.62x = 163,624.74 × 76,198.10
  4. Step 4: Simplify right side
    118,635.62x = 12,467,894,300.99
  5. Step 5: Solve for x
    x = 12,467,894,300.99/118,635.62
  6. Step 6: Final answer
    x = 105,094.02

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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.