Home / 445,555.46-668,508.15-196,062.50

Finding the Fourth Proportional to 445,555.46, 668,508.15 and 196,062.50

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Solution

The fourth proportional to 445,555.46, 668,508.15 and 196,062.50 is: 294,170.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,555.46 : 668,508.15 = 196,062.50 : x
  2. Step 2: Convert to fraction form
    445,555.46/668,508.15 = 196,062.50/x
  3. Step 3: Cross multiply
    445,555.46x = 668,508.15 × 196,062.50
  4. Step 4: Simplify right side
    445,555.46x = 131,069,379,159.38
  5. Step 5: Solve for x
    x = 131,069,379,159.38/445,555.46
  6. Step 6: Final answer
    x = 294,170.74

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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.