Home / 445,807.20-668,555.26-196,353.12

Finding the Fourth Proportional to 445,807.20, 668,555.26 and 196,353.12

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Solution

The fourth proportional to 445,807.20, 668,555.26 and 196,353.12 is: 294,461.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,807.20 : 668,555.26 = 196,353.12 : x
  2. Step 2: Convert to fraction form
    445,807.20/668,555.26 = 196,353.12/x
  3. Step 3: Cross multiply
    445,807.20x = 668,555.26 × 196,353.12
  4. Step 4: Simplify right side
    445,807.20x = 131,272,911,193.41
  5. Step 5: Solve for x
    x = 131,272,911,193.41/445,807.20
  6. Step 6: Final answer
    x = 294,461.17

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1.5x scale

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.