Home / 109,397.36-164,099.64-30,504.92

Finding the Fourth Proportional to 109,397.36, 164,099.64 and 30,504.92

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Solution

The fourth proportional to 109,397.36, 164,099.64 and 30,504.92 is: 45,758.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,397.36 : 164,099.64 = 30,504.92 : x
  2. Step 2: Convert to fraction form
    109,397.36/164,099.64 = 30,504.92/x
  3. Step 3: Cross multiply
    109,397.36x = 164,099.64 × 30,504.92
  4. Step 4: Simplify right side
    109,397.36x = 5,005,846,390.23
  5. Step 5: Solve for x
    x = 5,005,846,390.23/109,397.36
  6. Step 6: Final answer
    x = 45,758.38

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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.