Home / 133,026.72-183,580.76-72,601.24

Finding the Fourth Proportional to 133,026.72, 183,580.76 and 72,601.24

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Solution

The fourth proportional to 133,026.72, 183,580.76 and 72,601.24 is: 100,191.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,026.72 : 183,580.76 = 72,601.24 : x
  2. Step 2: Convert to fraction form
    133,026.72/183,580.76 = 72,601.24/x
  3. Step 3: Cross multiply
    133,026.72x = 183,580.76 × 72,601.24
  4. Step 4: Simplify right side
    133,026.72x = 13,328,190,816.14
  5. Step 5: Solve for x
    x = 13,328,190,816.14/133,026.72
  6. Step 6: Final answer
    x = 100,191.83

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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.