Home / 236,487.43-326,352.56-129,057.46

Finding the Fourth Proportional to 236,487.43, 326,352.56 and 129,057.46

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Solution

The fourth proportional to 236,487.43, 326,352.56 and 129,057.46 is: 178,099.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,487.43 : 326,352.56 = 129,057.46 : x
  2. Step 2: Convert to fraction form
    236,487.43/326,352.56 = 129,057.46/x
  3. Step 3: Cross multiply
    236,487.43x = 326,352.56 × 129,057.46
  4. Step 4: Simplify right side
    236,487.43x = 42,118,232,942.06
  5. Step 5: Solve for x
    x = 42,118,232,942.06/236,487.43
  6. Step 6: Final answer
    x = 178,099.25

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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.