Home / 445,197.51-667,801.40-160,909.65

Finding the Fourth Proportional to 445,197.51, 667,801.40 and 160,909.65

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Solution

The fourth proportional to 445,197.51, 667,801.40 and 160,909.65 is: 241,366.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,197.51 : 667,801.40 = 160,909.65 : x
  2. Step 2: Convert to fraction form
    445,197.51/667,801.40 = 160,909.65/x
  3. Step 3: Cross multiply
    445,197.51x = 667,801.40 × 160,909.65
  4. Step 4: Simplify right side
    445,197.51x = 107,455,688,738.96
  5. Step 5: Solve for x
    x = 107,455,688,738.96/445,197.51
  6. Step 6: Final answer
    x = 241,366.33

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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.