Home / 116,919.65-161,312.33-71,550.33

Finding the Fourth Proportional to 116,919.65, 161,312.33 and 71,550.33

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Solution

The fourth proportional to 116,919.65, 161,312.33 and 71,550.33 is: 98,716.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,919.65 : 161,312.33 = 71,550.33 : x
  2. Step 2: Convert to fraction form
    116,919.65/161,312.33 = 71,550.33/x
  3. Step 3: Cross multiply
    116,919.65x = 161,312.33 × 71,550.33
  4. Step 4: Simplify right side
    116,919.65x = 11,541,950,086.82
  5. Step 5: Solve for x
    x = 11,541,950,086.82/116,919.65
  6. Step 6: Final answer
    x = 98,716.94

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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.