Home / 137,233.73-189,390.88-76,803.11

Finding the Fourth Proportional to 137,233.73, 189,390.88 and 76,803.11

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Solution

The fourth proportional to 137,233.73, 189,390.88 and 76,803.11 is: 105,992.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,233.73 : 189,390.88 = 76,803.11 : x
  2. Step 2: Convert to fraction form
    137,233.73/189,390.88 = 76,803.11/x
  3. Step 3: Cross multiply
    137,233.73x = 189,390.88 × 76,803.11
  4. Step 4: Simplify right side
    137,233.73x = 14,545,808,589.64
  5. Step 5: Solve for x
    x = 14,545,808,589.64/137,233.73
  6. Step 6: Final answer
    x = 105,992.96

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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.