Home / 313,535.28-470,202.60-103,123.44

Finding the Fourth Proportional to 313,535.28, 470,202.60 and 103,123.44

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Solution

The fourth proportional to 313,535.28, 470,202.60 and 103,123.44 is: 154,652.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,535.28 : 470,202.60 = 103,123.44 : x
  2. Step 2: Convert to fraction form
    313,535.28/470,202.60 = 103,123.44/x
  3. Step 3: Cross multiply
    313,535.28x = 470,202.60 × 103,123.44
  4. Step 4: Simplify right side
    313,535.28x = 48,488,909,608.94
  5. Step 5: Solve for x
    x = 48,488,909,608.94/313,535.28
  6. Step 6: Final answer
    x = 154,652.16

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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.