Home / 107,726.41-161,076.61-98,315.43

Finding the Fourth Proportional to 107,726.41, 161,076.61 and 98,315.43

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Solution

The fourth proportional to 107,726.41, 161,076.61 and 98,315.43 is: 147,004.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,726.41 : 161,076.61 = 98,315.43 : x
  2. Step 2: Convert to fraction form
    107,726.41/161,076.61 = 98,315.43/x
  3. Step 3: Cross multiply
    107,726.41x = 161,076.61 × 98,315.43
  4. Step 4: Simplify right side
    107,726.41x = 15,836,316,175.09
  5. Step 5: Solve for x
    x = 15,836,316,175.09/107,726.41
  6. Step 6: Final answer
    x = 147,004.96

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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.