Home / 183,923.88-275,883.78-129,665.20

Finding the Fourth Proportional to 183,923.88, 275,883.78 and 129,665.20

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Solution

The fourth proportional to 183,923.88, 275,883.78 and 129,665.20 is: 194,496.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,923.88 : 275,883.78 = 129,665.20 : x
  2. Step 2: Convert to fraction form
    183,923.88/275,883.78 = 129,665.20/x
  3. Step 3: Cross multiply
    183,923.88x = 275,883.78 × 129,665.20
  4. Step 4: Simplify right side
    183,923.88x = 35,772,525,510.46
  5. Step 5: Solve for x
    x = 35,772,525,510.46/183,923.88
  6. Step 6: Final answer
    x = 194,496.36

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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.