Home / 183,421.09-275,553.85-129,510.33

Finding the Fourth Proportional to 183,421.09, 275,553.85 and 129,510.33

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Solution

The fourth proportional to 183,421.09, 275,553.85 and 129,510.33 is: 194,563.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,421.09 : 275,553.85 = 129,510.33 : x
  2. Step 2: Convert to fraction form
    183,421.09/275,553.85 = 129,510.33/x
  3. Step 3: Cross multiply
    183,421.09x = 275,553.85 × 129,510.33
  4. Step 4: Simplify right side
    183,421.09x = 35,687,070,046.27
  5. Step 5: Solve for x
    x = 35,687,070,046.27/183,421.09
  6. Step 6: Final answer
    x = 194,563.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.