Home / 483,890.10-725,835.15-168,123.75

Finding the Fourth Proportional to 483,890.10, 725,835.15 and 168,123.75

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Solution

The fourth proportional to 483,890.10, 725,835.15 and 168,123.75 is: 252,185.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,890.10 : 725,835.15 = 168,123.75 : x
  2. Step 2: Convert to fraction form
    483,890.10/725,835.15 = 168,123.75/x
  3. Step 3: Cross multiply
    483,890.10x = 725,835.15 × 168,123.75
  4. Step 4: Simplify right side
    483,890.10x = 122,030,127,299.81
  5. Step 5: Solve for x
    x = 122,030,127,299.81/483,890.10
  6. Step 6: Final answer
    x = 252,185.63

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Similar ratio
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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.