Home / 331,972.09-497,688.01-104,150.60

Finding the Fourth Proportional to 331,972.09, 497,688.01 and 104,150.60

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Solution

The fourth proportional to 331,972.09, 497,688.01 and 104,150.60 is: 156,141.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,972.09 : 497,688.01 = 104,150.60 : x
  2. Step 2: Convert to fraction form
    331,972.09/497,688.01 = 104,150.60/x
  3. Step 3: Cross multiply
    331,972.09x = 497,688.01 × 104,150.60
  4. Step 4: Simplify right side
    331,972.09x = 51,834,501,975.30
  5. Step 5: Solve for x
    x = 51,834,501,975.30/331,972.09
  6. Step 6: Final answer
    x = 156,141.14

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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.