Home / 187,878.14-259,282.44-111,442.46

Finding the Fourth Proportional to 187,878.14, 259,282.44 and 111,442.46

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Solution

The fourth proportional to 187,878.14, 259,282.44 and 111,442.46 is: 153,796.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,878.14 : 259,282.44 = 111,442.46 : x
  2. Step 2: Convert to fraction form
    187,878.14/259,282.44 = 111,442.46/x
  3. Step 3: Cross multiply
    187,878.14x = 259,282.44 × 111,442.46
  4. Step 4: Simplify right side
    187,878.14x = 28,895,072,948.40
  5. Step 5: Solve for x
    x = 28,895,072,948.40/187,878.14
  6. Step 6: Final answer
    x = 153,796.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.