Home / 133,016.30-183,555.14-75,647.87

Finding the Fourth Proportional to 133,016.30, 183,555.14 and 75,647.87

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Solution

The fourth proportional to 133,016.30, 183,555.14 and 75,647.87 is: 104,389.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,016.30 : 183,555.14 = 75,647.87 : x
  2. Step 2: Convert to fraction form
    133,016.30/183,555.14 = 75,647.87/x
  3. Step 3: Cross multiply
    133,016.30x = 183,555.14 × 75,647.87
  4. Step 4: Simplify right side
    133,016.30x = 13,885,556,006.13
  5. Step 5: Solve for x
    x = 13,885,556,006.13/133,016.30
  6. Step 6: Final answer
    x = 104,389.88

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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.