Home / 133,441.40-200,097.30-74,214.20

Finding the Fourth Proportional to 133,441.40, 200,097.30 and 74,214.20

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Solution

The fourth proportional to 133,441.40, 200,097.30 and 74,214.20 is: 111,285.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,441.40 : 200,097.30 = 74,214.20 : x
  2. Step 2: Convert to fraction form
    133,441.40/200,097.30 = 74,214.20/x
  3. Step 3: Cross multiply
    133,441.40x = 200,097.30 × 74,214.20
  4. Step 4: Simplify right side
    133,441.40x = 14,850,061,041.66
  5. Step 5: Solve for x
    x = 14,850,061,041.66/133,441.40
  6. Step 6: Final answer
    x = 111,285.26

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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.