Home / 207,990.45-286,955.60-169,683.26

Finding the Fourth Proportional to 207,990.45, 286,955.60 and 169,683.26

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Solution

The fourth proportional to 207,990.45, 286,955.60 and 169,683.26 is: 234,104.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,990.45 : 286,955.60 = 169,683.26 : x
  2. Step 2: Convert to fraction form
    207,990.45/286,955.60 = 169,683.26/x
  3. Step 3: Cross multiply
    207,990.45x = 286,955.60 × 169,683.26
  4. Step 4: Simplify right side
    207,990.45x = 48,691,559,400.06
  5. Step 5: Solve for x
    x = 48,691,559,400.06/207,990.45
  6. Step 6: Final answer
    x = 234,104.78

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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.