Home / 257,180.67-385,584.08-107,463.81

Finding the Fourth Proportional to 257,180.67, 385,584.08 and 107,463.81

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Solution

The fourth proportional to 257,180.67, 385,584.08 and 107,463.81 is: 161,117.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,180.67 : 385,584.08 = 107,463.81 : x
  2. Step 2: Convert to fraction form
    257,180.67/385,584.08 = 107,463.81/x
  3. Step 3: Cross multiply
    257,180.67x = 385,584.08 × 107,463.81
  4. Step 4: Simplify right side
    257,180.67x = 41,436,333,774.83
  5. Step 5: Solve for x
    x = 41,436,333,774.83/257,180.67
  6. Step 6: Final answer
    x = 161,117.61

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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.