Home / 272,948.00-409,365.54-73,221.03

Finding the Fourth Proportional to 272,948.00, 409,365.54 and 73,221.03

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Solution

The fourth proportional to 272,948.00, 409,365.54 and 73,221.03 is: 109,816.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,948.00 : 409,365.54 = 73,221.03 : x
  2. Step 2: Convert to fraction form
    272,948.00/409,365.54 = 73,221.03/x
  3. Step 3: Cross multiply
    272,948.00x = 409,365.54 × 73,221.03
  4. Step 4: Simplify right side
    272,948.00x = 29,974,166,485.31
  5. Step 5: Solve for x
    x = 29,974,166,485.31/272,948.00
  6. Step 6: Final answer
    x = 109,816.40

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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.