Home / 187,851.19-281,645.53-69,507.17

Finding the Fourth Proportional to 187,851.19, 281,645.53 and 69,507.17

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Solution

The fourth proportional to 187,851.19, 281,645.53 and 69,507.17 is: 104,212.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,851.19 : 281,645.53 = 69,507.17 : x
  2. Step 2: Convert to fraction form
    187,851.19/281,645.53 = 69,507.17/x
  3. Step 3: Cross multiply
    187,851.19x = 281,645.53 × 69,507.17
  4. Step 4: Simplify right side
    187,851.19x = 19,576,383,733.45
  5. Step 5: Solve for x
    x = 19,576,383,733.45/187,851.19
  6. Step 6: Final answer
    x = 104,212.19

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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.