Home / 281,799.36-422,631.92-113,320.08

Finding the Fourth Proportional to 281,799.36, 422,631.92 and 113,320.08

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Solution

The fourth proportional to 281,799.36, 422,631.92 and 113,320.08 is: 169,953.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,799.36 : 422,631.92 = 113,320.08 : x
  2. Step 2: Convert to fraction form
    281,799.36/422,631.92 = 113,320.08/x
  3. Step 3: Cross multiply
    281,799.36x = 422,631.92 × 113,320.08
  4. Step 4: Simplify right side
    281,799.36x = 47,892,682,984.95
  5. Step 5: Solve for x
    x = 47,892,682,984.95/281,799.36
  6. Step 6: Final answer
    x = 169,953.13

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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.