Home / 109,427.16-164,140.74-26,321.16

Finding the Fourth Proportional to 109,427.16, 164,140.74 and 26,321.16

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Solution

The fourth proportional to 109,427.16, 164,140.74 and 26,321.16 is: 39,481.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,427.16 : 164,140.74 = 26,321.16 : x
  2. Step 2: Convert to fraction form
    109,427.16/164,140.74 = 26,321.16/x
  3. Step 3: Cross multiply
    109,427.16x = 164,140.74 × 26,321.16
  4. Step 4: Simplify right side
    109,427.16x = 4,320,374,680.06
  5. Step 5: Solve for x
    x = 4,320,374,680.06/109,427.16
  6. Step 6: Final answer
    x = 39,481.74

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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.