Home / 133,237.50-183,867.78-73,621.50

Finding the Fourth Proportional to 133,237.50, 183,867.78 and 73,621.50

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Solution

The fourth proportional to 133,237.50, 183,867.78 and 73,621.50 is: 101,597.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,237.50 : 183,867.78 = 73,621.50 : x
  2. Step 2: Convert to fraction form
    133,237.50/183,867.78 = 73,621.50/x
  3. Step 3: Cross multiply
    133,237.50x = 183,867.78 × 73,621.50
  4. Step 4: Simplify right side
    133,237.50x = 13,536,621,765.27
  5. Step 5: Solve for x
    x = 13,536,621,765.27/133,237.50
  6. Step 6: Final answer
    x = 101,597.69

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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.