Home / 158,524.30-218,771.92-86,907.34

Finding the Fourth Proportional to 158,524.30, 218,771.92 and 86,907.34

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Solution

The fourth proportional to 158,524.30, 218,771.92 and 86,907.34 is: 119,936.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,524.30 : 218,771.92 = 86,907.34 : x
  2. Step 2: Convert to fraction form
    158,524.30/218,771.92 = 86,907.34/x
  3. Step 3: Cross multiply
    158,524.30x = 218,771.92 × 86,907.34
  4. Step 4: Simplify right side
    158,524.30x = 19,012,885,633.89
  5. Step 5: Solve for x
    x = 19,012,885,633.89/158,524.30
  6. Step 6: Final answer
    x = 119,936.73

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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.