Home / 109,424.40-164,134.20-30,536.40

Finding the Fourth Proportional to 109,424.40, 164,134.20 and 30,536.40

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Solution

The fourth proportional to 109,424.40, 164,134.20 and 30,536.40 is: 45,803.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,424.40 : 164,134.20 = 30,536.40 : x
  2. Step 2: Convert to fraction form
    109,424.40/164,134.20 = 30,536.40/x
  3. Step 3: Cross multiply
    109,424.40x = 164,134.20 × 30,536.40
  4. Step 4: Simplify right side
    109,424.40x = 5,012,067,584.88
  5. Step 5: Solve for x
    x = 5,012,067,584.88/109,424.40
  6. Step 6: Final answer
    x = 45,803.93

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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.