Home / 133,006.90-183,553.94-72,580.86

Finding the Fourth Proportional to 133,006.90, 183,553.94 and 72,580.86

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Solution

The fourth proportional to 133,006.90, 183,553.94 and 72,580.86 is: 100,164.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,006.90 : 183,553.94 = 72,580.86 : x
  2. Step 2: Convert to fraction form
    133,006.90/183,553.94 = 72,580.86/x
  3. Step 3: Cross multiply
    133,006.90x = 183,553.94 × 72,580.86
  4. Step 4: Simplify right side
    133,006.90x = 13,322,502,821.59
  5. Step 5: Solve for x
    x = 13,322,502,821.59/133,006.90
  6. Step 6: Final answer
    x = 100,164.00

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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.