Home / 116,864.37-161,273.57-88,520.85

Finding the Fourth Proportional to 116,864.37, 161,273.57 and 88,520.85

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Solution

The fourth proportional to 116,864.37, 161,273.57 and 88,520.85 is: 122,159.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,864.37 : 161,273.57 = 88,520.85 : x
  2. Step 2: Convert to fraction form
    116,864.37/161,273.57 = 88,520.85/x
  3. Step 3: Cross multiply
    116,864.37x = 161,273.57 × 88,520.85
  4. Step 4: Simplify right side
    116,864.37x = 14,276,073,056.33
  5. Step 5: Solve for x
    x = 14,276,073,056.33/116,864.37
  6. Step 6: Final answer
    x = 122,159.33

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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.