Home / 254,601.12-351,339.72-141,431.04

Finding the Fourth Proportional to 254,601.12, 351,339.72 and 141,431.04

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Solution

The fourth proportional to 254,601.12, 351,339.72 and 141,431.04 is: 195,169.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,601.12 : 351,339.72 = 141,431.04 : x
  2. Step 2: Convert to fraction form
    254,601.12/351,339.72 = 141,431.04/x
  3. Step 3: Cross multiply
    254,601.12x = 351,339.72 × 141,431.04
  4. Step 4: Simplify right side
    254,601.12x = 49,690,341,992.91
  5. Step 5: Solve for x
    x = 49,690,341,992.91/254,601.12
  6. Step 6: Final answer
    x = 195,169.38

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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.