Home / 133,047.54-183,607.33-78,601.50

Finding the Fourth Proportional to 133,047.54, 183,607.33 and 78,601.50

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Solution

The fourth proportional to 133,047.54, 183,607.33 and 78,601.50 is: 108,471.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,047.54 : 183,607.33 = 78,601.50 : x
  2. Step 2: Convert to fraction form
    133,047.54/183,607.33 = 78,601.50/x
  3. Step 3: Cross multiply
    133,047.54x = 183,607.33 × 78,601.50
  4. Step 4: Simplify right side
    133,047.54x = 14,431,811,549.00
  5. Step 5: Solve for x
    x = 14,431,811,549.00/133,047.54
  6. Step 6: Final answer
    x = 108,471.09

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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.