Home / 133,017.30-183,556.52-75,648.87

Finding the Fourth Proportional to 133,017.30, 183,556.52 and 75,648.87

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Solution

The fourth proportional to 133,017.30, 183,556.52 and 75,648.87 is: 104,391.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,017.30 : 183,556.52 = 75,648.87 : x
  2. Step 2: Convert to fraction form
    133,017.30/183,556.52 = 75,648.87/x
  3. Step 3: Cross multiply
    133,017.30x = 183,556.52 × 75,648.87
  4. Step 4: Simplify right side
    133,017.30x = 13,885,843,319.13
  5. Step 5: Solve for x
    x = 13,885,843,319.13/133,017.30
  6. Step 6: Final answer
    x = 104,391.26

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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.