Home / 108,084.48-161,794.54-92,141.28

Finding the Fourth Proportional to 108,084.48, 161,794.54 and 92,141.28

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Solution

The fourth proportional to 108,084.48, 161,794.54 and 92,141.28 is: 137,928.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,084.48 : 161,794.54 = 92,141.28 : x
  2. Step 2: Convert to fraction form
    108,084.48/161,794.54 = 92,141.28/x
  3. Step 3: Cross multiply
    108,084.48x = 161,794.54 × 92,141.28
  4. Step 4: Simplify right side
    108,084.48x = 14,907,956,012.61
  5. Step 5: Solve for x
    x = 14,907,956,012.61/108,084.48
  6. Step 6: Final answer
    x = 137,928.74

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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.