Home / 338,232.48-507,372.40-135,828.56

Finding the Fourth Proportional to 338,232.48, 507,372.40 and 135,828.56

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Solution

The fourth proportional to 338,232.48, 507,372.40 and 135,828.56 is: 203,752.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,232.48 : 507,372.40 = 135,828.56 : x
  2. Step 2: Convert to fraction form
    338,232.48/507,372.40 = 135,828.56/x
  3. Step 3: Cross multiply
    338,232.48x = 507,372.40 × 135,828.56
  4. Step 4: Simplify right side
    338,232.48x = 68,915,662,475.74
  5. Step 5: Solve for x
    x = 68,915,662,475.74/338,232.48
  6. Step 6: Final answer
    x = 203,752.35

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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.