Home / 252,127.37-347,926.94-137,403.68

Finding the Fourth Proportional to 252,127.37, 347,926.94 and 137,403.68

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Solution

The fourth proportional to 252,127.37, 347,926.94 and 137,403.68 is: 189,612.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,127.37 : 347,926.94 = 137,403.68 : x
  2. Step 2: Convert to fraction form
    252,127.37/347,926.94 = 137,403.68/x
  3. Step 3: Cross multiply
    252,127.37x = 347,926.94 × 137,403.68
  4. Step 4: Simplify right side
    252,127.37x = 47,806,439,500.49
  5. Step 5: Solve for x
    x = 47,806,439,500.49/252,127.37
  6. Step 6: Final answer
    x = 189,612.26

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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.