Home / 203,730.19-281,117.69-113,086.85

Finding the Fourth Proportional to 203,730.19, 281,117.69 and 113,086.85

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Solution

The fourth proportional to 203,730.19, 281,117.69 and 113,086.85 is: 156,043.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,730.19 : 281,117.69 = 113,086.85 : x
  2. Step 2: Convert to fraction form
    203,730.19/281,117.69 = 113,086.85/x
  3. Step 3: Cross multiply
    203,730.19x = 281,117.69 × 113,086.85
  4. Step 4: Simplify right side
    203,730.19x = 31,790,714,041.38
  5. Step 5: Solve for x
    x = 31,790,714,041.38/203,730.19
  6. Step 6: Final answer
    x = 156,043.22

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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.