Home / 187,672.86-259,007.16-107,112.58

Finding the Fourth Proportional to 187,672.86, 259,007.16 and 107,112.58

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Solution

The fourth proportional to 187,672.86, 259,007.16 and 107,112.58 is: 147,825.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,672.86 : 259,007.16 = 107,112.58 : x
  2. Step 2: Convert to fraction form
    187,672.86/259,007.16 = 107,112.58/x
  3. Step 3: Cross multiply
    187,672.86x = 259,007.16 × 107,112.58
  4. Step 4: Simplify right side
    187,672.86x = 27,742,925,146.07
  5. Step 5: Solve for x
    x = 27,742,925,146.07/187,672.86
  6. Step 6: Final answer
    x = 147,825.98

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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.