Home / 183,420.97-275,553.66-129,510.20

Finding the Fourth Proportional to 183,420.97, 275,553.66 and 129,510.20

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Solution

The fourth proportional to 183,420.97, 275,553.66 and 129,510.20 is: 194,563.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,420.97 : 275,553.66 = 129,510.20 : x
  2. Step 2: Convert to fraction form
    183,420.97/275,553.66 = 129,510.20/x
  3. Step 3: Cross multiply
    183,420.97x = 275,553.66 × 129,510.20
  4. Step 4: Simplify right side
    183,420.97x = 35,687,009,617.33
  5. Step 5: Solve for x
    x = 35,687,009,617.33/183,420.97
  6. Step 6: Final answer
    x = 194,563.41

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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.