Home / 137,503.37-205,935.21-133,719.66

Finding the Fourth Proportional to 137,503.37, 205,935.21 and 133,719.66

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Solution

The fourth proportional to 137,503.37, 205,935.21 and 133,719.66 is: 200,268.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,503.37 : 205,935.21 = 133,719.66 : x
  2. Step 2: Convert to fraction form
    137,503.37/205,935.21 = 133,719.66/x
  3. Step 3: Cross multiply
    137,503.37x = 205,935.21 × 133,719.66
  4. Step 4: Simplify right side
    137,503.37x = 27,537,586,263.23
  5. Step 5: Solve for x
    x = 27,537,586,263.23/137,503.37
  6. Step 6: Final answer
    x = 200,268.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.