Home / 131,554.44-197,381.36-79,000.56

Finding the Fourth Proportional to 131,554.44, 197,381.36 and 79,000.56

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Solution

The fourth proportional to 131,554.44, 197,381.36 and 79,000.56 is: 118,530.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,554.44 : 197,381.36 = 79,000.56 : x
  2. Step 2: Convert to fraction form
    131,554.44/197,381.36 = 79,000.56/x
  3. Step 3: Cross multiply
    131,554.44x = 197,381.36 × 79,000.56
  4. Step 4: Simplify right side
    131,554.44x = 15,593,237,973.56
  5. Step 5: Solve for x
    x = 15,593,237,973.56/131,554.44
  6. Step 6: Final answer
    x = 118,530.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.