Home / 116,085.20-160,231.80-75,805.26

Finding the Fourth Proportional to 116,085.20, 160,231.80 and 75,805.26

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Solution

The fourth proportional to 116,085.20, 160,231.80 and 75,805.26 is: 104,633.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,085.20 : 160,231.80 = 75,805.26 : x
  2. Step 2: Convert to fraction form
    116,085.20/160,231.80 = 75,805.26/x
  3. Step 3: Cross multiply
    116,085.20x = 160,231.80 × 75,805.26
  4. Step 4: Simplify right side
    116,085.20x = 12,146,413,259.27
  5. Step 5: Solve for x
    x = 12,146,413,259.27/116,085.20
  6. Step 6: Final answer
    x = 104,633.61

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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.