Home / 183,513.12-275,131.13-120,349.15

Finding the Fourth Proportional to 183,513.12, 275,131.13 and 120,349.15

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Solution

The fourth proportional to 183,513.12, 275,131.13 and 120,349.15 is: 180,432.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,513.12 : 275,131.13 = 120,349.15 : x
  2. Step 2: Convert to fraction form
    183,513.12/275,131.13 = 120,349.15/x
  3. Step 3: Cross multiply
    183,513.12x = 275,131.13 × 120,349.15
  4. Step 4: Simplify right side
    183,513.12x = 33,111,797,634.04
  5. Step 5: Solve for x
    x = 33,111,797,634.04/183,513.12
  6. Step 6: Final answer
    x = 180,432.86

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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.