Home / 109,438.38-164,157.57-26,332.38

Finding the Fourth Proportional to 109,438.38, 164,157.57 and 26,332.38

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Solution

The fourth proportional to 109,438.38, 164,157.57 and 26,332.38 is: 39,498.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,438.38 : 164,157.57 = 26,332.38 : x
  2. Step 2: Convert to fraction form
    109,438.38/164,157.57 = 26,332.38/x
  3. Step 3: Cross multiply
    109,438.38x = 164,157.57 × 26,332.38
  4. Step 4: Simplify right side
    109,438.38x = 4,322,659,513.12
  5. Step 5: Solve for x
    x = 4,322,659,513.12/109,438.38
  6. Step 6: Final answer
    x = 39,498.57

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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.