Home / 108,975.54-150,453.33-86,405.70

Finding the Fourth Proportional to 108,975.54, 150,453.33 and 86,405.70

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Solution

The fourth proportional to 108,975.54, 150,453.33 and 86,405.70 is: 119,293.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,975.54 : 150,453.33 = 86,405.70 : x
  2. Step 2: Convert to fraction form
    108,975.54/150,453.33 = 86,405.70/x
  3. Step 3: Cross multiply
    108,975.54x = 150,453.33 × 86,405.70
  4. Step 4: Simplify right side
    108,975.54x = 13,000,025,295.98
  5. Step 5: Solve for x
    x = 13,000,025,295.98/108,975.54
  6. Step 6: Final answer
    x = 119,293.06

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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.