Home / 445,716.10-668,575.60-113,292.10

Finding the Fourth Proportional to 445,716.10, 668,575.60 and 113,292.10

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Solution

The fourth proportional to 445,716.10, 668,575.60 and 113,292.10 is: 169,938.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,716.10 : 668,575.60 = 113,292.10 : x
  2. Step 2: Convert to fraction form
    445,716.10/668,575.60 = 113,292.10/x
  3. Step 3: Cross multiply
    445,716.10x = 668,575.60 × 113,292.10
  4. Step 4: Simplify right side
    445,716.10x = 75,744,333,732.76
  5. Step 5: Solve for x
    x = 75,744,333,732.76/445,716.10
  6. Step 6: Final answer
    x = 169,938.52

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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.