Home / 137,035.38-189,101.10-76,593.98

Finding the Fourth Proportional to 137,035.38, 189,101.10 and 76,593.98

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Solution

The fourth proportional to 137,035.38, 189,101.10 and 76,593.98 is: 105,695.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,035.38 : 189,101.10 = 76,593.98 : x
  2. Step 2: Convert to fraction form
    137,035.38/189,101.10 = 76,593.98/x
  3. Step 3: Cross multiply
    137,035.38x = 189,101.10 × 76,593.98
  4. Step 4: Simplify right side
    137,035.38x = 14,484,005,871.38
  5. Step 5: Solve for x
    x = 14,484,005,871.38/137,035.38
  6. Step 6: Final answer
    x = 105,695.37

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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.