Home / 151,877.70-209,586.96-83,893.41

Finding the Fourth Proportional to 151,877.70, 209,586.96 and 83,893.41

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Solution

The fourth proportional to 151,877.70, 209,586.96 and 83,893.41 is: 115,770.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,877.70 : 209,586.96 = 83,893.41 : x
  2. Step 2: Convert to fraction form
    151,877.70/209,586.96 = 83,893.41/x
  3. Step 3: Cross multiply
    151,877.70x = 209,586.96 × 83,893.41
  4. Step 4: Simplify right side
    151,877.70x = 17,582,964,765.93
  5. Step 5: Solve for x
    x = 17,582,964,765.93/151,877.70
  6. Step 6: Final answer
    x = 115,770.55

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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.