Home / 124,346.58-186,480.99-54,155.22

Finding the Fourth Proportional to 124,346.58, 186,480.99 and 54,155.22

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Solution

The fourth proportional to 124,346.58, 186,480.99 and 54,155.22 is: 81,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,346.58 : 186,480.99 = 54,155.22 : x
  2. Step 2: Convert to fraction form
    124,346.58/186,480.99 = 54,155.22/x
  3. Step 3: Cross multiply
    124,346.58x = 186,480.99 × 54,155.22
  4. Step 4: Simplify right side
    124,346.58x = 10,098,919,039.27
  5. Step 5: Solve for x
    x = 10,098,919,039.27/124,346.58
  6. Step 6: Final answer
    x = 81,215.90

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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.