Home / 263,686.11-363,886.85-142,827.44

Finding the Fourth Proportional to 263,686.11, 363,886.85 and 142,827.44

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Solution

The fourth proportional to 263,686.11, 363,886.85 and 142,827.44 is: 197,101.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,686.11 : 363,886.85 = 142,827.44 : x
  2. Step 2: Convert to fraction form
    263,686.11/363,886.85 = 142,827.44/x
  3. Step 3: Cross multiply
    263,686.11x = 363,886.85 × 142,827.44
  4. Step 4: Simplify right side
    263,686.11x = 51,973,027,235.16
  5. Step 5: Solve for x
    x = 51,973,027,235.16/263,686.11
  6. Step 6: Final answer
    x = 197,101.88

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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.