Home / 151,546.64-209,135.86-83,566.04

Finding the Fourth Proportional to 151,546.64, 209,135.86 and 83,566.04

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Solution

The fourth proportional to 151,546.64, 209,135.86 and 83,566.04 is: 115,321.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,546.64 : 209,135.86 = 83,566.04 : x
  2. Step 2: Convert to fraction form
    151,546.64/209,135.86 = 83,566.04/x
  3. Step 3: Cross multiply
    151,546.64x = 209,135.86 × 83,566.04
  4. Step 4: Simplify right side
    151,546.64x = 17,476,655,642.19
  5. Step 5: Solve for x
    x = 17,476,655,642.19/151,546.64
  6. Step 6: Final answer
    x = 115,321.96

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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.