Home / 187,365.17-281,051.39-68,975.57

Finding the Fourth Proportional to 187,365.17, 281,051.39 and 68,975.57

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Solution

The fourth proportional to 187,365.17, 281,051.39 and 68,975.57 is: 103,464.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,365.17 : 281,051.39 = 68,975.57 : x
  2. Step 2: Convert to fraction form
    187,365.17/281,051.39 = 68,975.57/x
  3. Step 3: Cross multiply
    187,365.17x = 281,051.39 × 68,975.57
  4. Step 4: Simplify right side
    187,365.17x = 19,385,678,591.72
  5. Step 5: Solve for x
    x = 19,385,678,591.72/187,365.17
  6. Step 6: Final answer
    x = 103,464.69

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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.