Home / 109,618.10-164,427.15-26,512.10

Finding the Fourth Proportional to 109,618.10, 164,427.15 and 26,512.10

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Solution

The fourth proportional to 109,618.10, 164,427.15 and 26,512.10 is: 39,768.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,618.10 : 164,427.15 = 26,512.10 : x
  2. Step 2: Convert to fraction form
    109,618.10/164,427.15 = 26,512.10/x
  3. Step 3: Cross multiply
    109,618.10x = 164,427.15 × 26,512.10
  4. Step 4: Simplify right side
    109,618.10x = 4,359,309,043.52
  5. Step 5: Solve for x
    x = 4,359,309,043.52/109,618.10
  6. Step 6: Final answer
    x = 39,768.15

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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.