Home / 109,496.20-164,244.29-26,390.20

Finding the Fourth Proportional to 109,496.20, 164,244.29 and 26,390.20

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Solution

The fourth proportional to 109,496.20, 164,244.29 and 26,390.20 is: 39,585.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,496.20 : 164,244.29 = 26,390.20 : x
  2. Step 2: Convert to fraction form
    109,496.20/164,244.29 = 26,390.20/x
  3. Step 3: Cross multiply
    109,496.20x = 164,244.29 × 26,390.20
  4. Step 4: Simplify right side
    109,496.20x = 4,334,438,840.74
  5. Step 5: Solve for x
    x = 4,334,438,840.74/109,496.20
  6. Step 6: Final answer
    x = 39,585.29

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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.