Home / 416,015.07-624,116.57-131,722.89

Finding the Fourth Proportional to 416,015.07, 624,116.57 and 131,722.89

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Solution

The fourth proportional to 416,015.07, 624,116.57 and 131,722.89 is: 197,614.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,015.07 : 624,116.57 = 131,722.89 : x
  2. Step 2: Convert to fraction form
    416,015.07/624,116.57 = 131,722.89/x
  3. Step 3: Cross multiply
    416,015.07x = 624,116.57 × 131,722.89
  4. Step 4: Simplify right side
    416,015.07x = 82,210,437,638.67
  5. Step 5: Solve for x
    x = 82,210,437,638.67/416,015.07
  6. Step 6: Final answer
    x = 197,614.09

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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.