Home / 338,109.43-507,213.60-101,470.81

Finding the Fourth Proportional to 338,109.43, 507,213.60 and 101,470.81

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Solution

The fourth proportional to 338,109.43, 507,213.60 and 101,470.81 is: 152,221.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,109.43 : 507,213.60 = 101,470.81 : x
  2. Step 2: Convert to fraction form
    338,109.43/507,213.60 = 101,470.81/x
  3. Step 3: Cross multiply
    338,109.43x = 507,213.60 × 101,470.81
  4. Step 4: Simplify right side
    338,109.43x = 51,467,374,835.02
  5. Step 5: Solve for x
    x = 51,467,374,835.02/338,109.43
  6. Step 6: Final answer
    x = 152,221.06

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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.