Home / 116,830.77-161,234.97-65,151.36

Finding the Fourth Proportional to 116,830.77, 161,234.97 and 65,151.36

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Solution

The fourth proportional to 116,830.77, 161,234.97 and 65,151.36 is: 89,913.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,830.77 : 161,234.97 = 65,151.36 : x
  2. Step 2: Convert to fraction form
    116,830.77/161,234.97 = 65,151.36/x
  3. Step 3: Cross multiply
    116,830.77x = 161,234.97 × 65,151.36
  4. Step 4: Simplify right side
    116,830.77x = 10,504,677,330.74
  5. Step 5: Solve for x
    x = 10,504,677,330.74/116,830.77
  6. Step 6: Final answer
    x = 89,913.62

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1.5x scale

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.