Home / 447,290.55-670,705.99-131,706.45

Finding the Fourth Proportional to 447,290.55, 670,705.99 and 131,706.45

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Solution

The fourth proportional to 447,290.55, 670,705.99 and 131,706.45 is: 197,492.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,290.55 : 670,705.99 = 131,706.45 : x
  2. Step 2: Convert to fraction form
    447,290.55/670,705.99 = 131,706.45/x
  3. Step 3: Cross multiply
    447,290.55x = 670,705.99 × 131,706.45
  4. Step 4: Simplify right side
    447,290.55x = 88,336,304,607.37
  5. Step 5: Solve for x
    x = 88,336,304,607.37/447,290.55
  6. Step 6: Final answer
    x = 197,492.00

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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.