Home / 109,445.38-164,168.10-26,339.38

Finding the Fourth Proportional to 109,445.38, 164,168.10 and 26,339.38

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Solution

The fourth proportional to 109,445.38, 164,168.10 and 26,339.38 is: 39,509.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,445.38 : 164,168.10 = 26,339.38 : x
  2. Step 2: Convert to fraction form
    109,445.38/164,168.10 = 26,339.38/x
  3. Step 3: Cross multiply
    109,445.38x = 164,168.10 × 26,339.38
  4. Step 4: Simplify right side
    109,445.38x = 4,324,085,969.78
  5. Step 5: Solve for x
    x = 4,324,085,969.78/109,445.38
  6. Step 6: Final answer
    x = 39,509.08

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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.