Home / 116,571.10-174,856.65-91,201.90

Finding the Fourth Proportional to 116,571.10, 174,856.65 and 91,201.90

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Solution

The fourth proportional to 116,571.10, 174,856.65 and 91,201.90 is: 136,802.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,571.10 : 174,856.65 = 91,201.90 : x
  2. Step 2: Convert to fraction form
    116,571.10/174,856.65 = 91,201.90/x
  3. Step 3: Cross multiply
    116,571.10x = 174,856.65 × 91,201.90
  4. Step 4: Simplify right side
    116,571.10x = 15,947,258,707.64
  5. Step 5: Solve for x
    x = 15,947,258,707.64/116,571.10
  6. Step 6: Final answer
    x = 136,802.85

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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.