Home / 151,586.75-209,186.88-83,610.07

Finding the Fourth Proportional to 151,586.75, 209,186.88 and 83,610.07

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Solution

The fourth proportional to 151,586.75, 209,186.88 and 83,610.07 is: 115,380.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,586.75 : 209,186.88 = 83,610.07 : x
  2. Step 2: Convert to fraction form
    151,586.75/209,186.88 = 83,610.07/x
  3. Step 3: Cross multiply
    151,586.75x = 209,186.88 × 83,610.07
  4. Step 4: Simplify right side
    151,586.75x = 17,490,129,679.88
  5. Step 5: Solve for x
    x = 17,490,129,679.88/151,586.75
  6. Step 6: Final answer
    x = 115,380.33

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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.