Home / 133,200.30-199,800.45-118,685.10

Finding the Fourth Proportional to 133,200.30, 199,800.45 and 118,685.10

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Solution

The fourth proportional to 133,200.30, 199,800.45 and 118,685.10 is: 178,027.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,200.30 : 199,800.45 = 118,685.10 : x
  2. Step 2: Convert to fraction form
    133,200.30/199,800.45 = 118,685.10/x
  3. Step 3: Cross multiply
    133,200.30x = 199,800.45 × 118,685.10
  4. Step 4: Simplify right side
    133,200.30x = 23,713,336,388.30
  5. Step 5: Solve for x
    x = 23,713,336,388.30/133,200.30
  6. Step 6: Final answer
    x = 178,027.65

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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.