Home / 233,188.30-321,790.34-137,725.90

Finding the Fourth Proportional to 233,188.30, 321,790.34 and 137,725.90

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Solution

The fourth proportional to 233,188.30, 321,790.34 and 137,725.90 is: 190,056.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,188.30 : 321,790.34 = 137,725.90 : x
  2. Step 2: Convert to fraction form
    233,188.30/321,790.34 = 137,725.90/x
  3. Step 3: Cross multiply
    233,188.30x = 321,790.34 × 137,725.90
  4. Step 4: Simplify right side
    233,188.30x = 44,318,864,187.81
  5. Step 5: Solve for x
    x = 44,318,864,187.81/233,188.30
  6. Step 6: Final answer
    x = 190,056.12

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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.