Home / 283,788.56-425,784.60-121,614.56

Finding the Fourth Proportional to 283,788.56, 425,784.60 and 121,614.56

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Solution

The fourth proportional to 283,788.56, 425,784.60 and 121,614.56 is: 182,465.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,788.56 : 425,784.60 = 121,614.56 : x
  2. Step 2: Convert to fraction form
    283,788.56/425,784.60 = 121,614.56/x
  3. Step 3: Cross multiply
    283,788.56x = 425,784.60 × 121,614.56
  4. Step 4: Simplify right side
    283,788.56x = 51,781,606,783.78
  5. Step 5: Solve for x
    x = 51,781,606,783.78/283,788.56
  6. Step 6: Final answer
    x = 182,465.45

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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.