Home / 116,968.14-161,226.45-91,429.38

Finding the Fourth Proportional to 116,968.14, 161,226.45 and 91,429.38

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Solution

The fourth proportional to 116,968.14, 161,226.45 and 91,429.38 is: 126,024.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,968.14 : 161,226.45 = 91,429.38 : x
  2. Step 2: Convert to fraction form
    116,968.14/161,226.45 = 91,429.38/x
  3. Step 3: Cross multiply
    116,968.14x = 161,226.45 × 91,429.38
  4. Step 4: Simplify right side
    116,968.14x = 14,740,834,363.10
  5. Step 5: Solve for x
    x = 14,740,834,363.10/116,968.14
  6. Step 6: Final answer
    x = 126,024.35

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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.