Home / 133,219.33-183,833.85-75,864.50

Finding the Fourth Proportional to 133,219.33, 183,833.85 and 75,864.50

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Solution

The fourth proportional to 133,219.33, 183,833.85 and 75,864.50 is: 104,687.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,219.33 : 183,833.85 = 75,864.50 : x
  2. Step 2: Convert to fraction form
    133,219.33/183,833.85 = 75,864.50/x
  3. Step 3: Cross multiply
    133,219.33x = 183,833.85 × 75,864.50
  4. Step 4: Simplify right side
    133,219.33x = 13,946,463,113.33
  5. Step 5: Solve for x
    x = 13,946,463,113.33/133,219.33
  6. Step 6: Final answer
    x = 104,687.98

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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.