Home / 236,611.10-326,527.94-129,181.41

Finding the Fourth Proportional to 236,611.10, 326,527.94 and 129,181.41

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Solution

The fourth proportional to 236,611.10, 326,527.94 and 129,181.41 is: 178,272.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,611.10 : 326,527.94 = 129,181.41 : x
  2. Step 2: Convert to fraction form
    236,611.10/326,527.94 = 129,181.41/x
  3. Step 3: Cross multiply
    236,611.10x = 326,527.94 × 129,181.41
  4. Step 4: Simplify right side
    236,611.10x = 42,181,339,693.60
  5. Step 5: Solve for x
    x = 42,181,339,693.60/236,611.10
  6. Step 6: Final answer
    x = 178,272.87

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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.