Home / 183,521.40-275,282.10-120,738.30

Finding the Fourth Proportional to 183,521.40, 275,282.10 and 120,738.30

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Solution

The fourth proportional to 183,521.40, 275,282.10 and 120,738.30 is: 181,107.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,521.40 : 275,282.10 = 120,738.30 : x
  2. Step 2: Convert to fraction form
    183,521.40/275,282.10 = 120,738.30/x
  3. Step 3: Cross multiply
    183,521.40x = 275,282.10 × 120,738.30
  4. Step 4: Simplify right side
    183,521.40x = 33,237,092,774.43
  5. Step 5: Solve for x
    x = 33,237,092,774.43/183,521.40
  6. Step 6: Final answer
    x = 181,107.45

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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.