Home / 149,515.04-206,327.00-81,533.33

Finding the Fourth Proportional to 149,515.04, 206,327.00 and 81,533.33

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Solution

The fourth proportional to 149,515.04, 206,327.00 and 81,533.33 is: 112,513.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,515.04 : 206,327.00 = 81,533.33 : x
  2. Step 2: Convert to fraction form
    149,515.04/206,327.00 = 81,533.33/x
  3. Step 3: Cross multiply
    149,515.04x = 206,327.00 × 81,533.33
  4. Step 4: Simplify right side
    149,515.04x = 16,822,526,551.11
  5. Step 5: Solve for x
    x = 16,822,526,551.11/149,515.04
  6. Step 6: Final answer
    x = 112,513.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.