Home / 112,971.33-169,189.79-98,099.46

Finding the Fourth Proportional to 112,971.33, 169,189.79 and 98,099.46

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Solution

The fourth proportional to 112,971.33, 169,189.79 and 98,099.46 is: 146,917.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,971.33 : 169,189.79 = 98,099.46 : x
  2. Step 2: Convert to fraction form
    112,971.33/169,189.79 = 98,099.46/x
  3. Step 3: Cross multiply
    112,971.33x = 169,189.79 × 98,099.46
  4. Step 4: Simplify right side
    112,971.33x = 16,597,426,546.02
  5. Step 5: Solve for x
    x = 16,597,426,546.02/112,971.33
  6. Step 6: Final answer
    x = 146,917.16

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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.