Home / 187,514.36-281,241.28-69,241.40

Finding the Fourth Proportional to 187,514.36, 281,241.28 and 69,241.40

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Solution

The fourth proportional to 187,514.36, 281,241.28 and 69,241.40 is: 103,850.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,514.36 : 281,241.28 = 69,241.40 : x
  2. Step 2: Convert to fraction form
    187,514.36/281,241.28 = 69,241.40/x
  3. Step 3: Cross multiply
    187,514.36x = 281,241.28 × 69,241.40
  4. Step 4: Simplify right side
    187,514.36x = 19,473,539,964.99
  5. Step 5: Solve for x
    x = 19,473,539,964.99/187,514.36
  6. Step 6: Final answer
    x = 103,850.93

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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.