Home / 329,716.22-455,013.55-193,768.20

Finding the Fourth Proportional to 329,716.22, 455,013.55 and 193,768.20

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Solution

The fourth proportional to 329,716.22, 455,013.55 and 193,768.20 is: 267,403.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,716.22 : 455,013.55 = 193,768.20 : x
  2. Step 2: Convert to fraction form
    329,716.22/455,013.55 = 193,768.20/x
  3. Step 3: Cross multiply
    329,716.22x = 455,013.55 × 193,768.20
  4. Step 4: Simplify right side
    329,716.22x = 88,167,156,801.32
  5. Step 5: Solve for x
    x = 88,167,156,801.32/329,716.22
  6. Step 6: Final answer
    x = 267,403.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.