Home / 129,611.04-194,346.20-58,450.42

Finding the Fourth Proportional to 129,611.04, 194,346.20 and 58,450.42

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Solution

The fourth proportional to 129,611.04, 194,346.20 and 58,450.42 is: 87,643.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,611.04 : 194,346.20 = 58,450.42 : x
  2. Step 2: Convert to fraction form
    129,611.04/194,346.20 = 58,450.42/x
  3. Step 3: Cross multiply
    129,611.04x = 194,346.20 × 58,450.42
  4. Step 4: Simplify right side
    129,611.04x = 11,359,616,675.66
  5. Step 5: Solve for x
    x = 11,359,616,675.66/129,611.04
  6. Step 6: Final answer
    x = 87,643.90

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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.