Home / 133,027.36-183,581.65-72,601.88

Finding the Fourth Proportional to 133,027.36, 183,581.65 and 72,601.88

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Solution

The fourth proportional to 133,027.36, 183,581.65 and 72,601.88 is: 100,192.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,027.36 : 183,581.65 = 72,601.88 : x
  2. Step 2: Convert to fraction form
    133,027.36/183,581.65 = 72,601.88/x
  3. Step 3: Cross multiply
    133,027.36x = 183,581.65 × 72,601.88
  4. Step 4: Simplify right side
    133,027.36x = 13,328,372,923.50
  5. Step 5: Solve for x
    x = 13,328,372,923.50/133,027.36
  6. Step 6: Final answer
    x = 100,192.72

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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.