Home / 109,749.40-164,525.55-43,234.90

Finding the Fourth Proportional to 109,749.40, 164,525.55 and 43,234.90

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Solution

The fourth proportional to 109,749.40, 164,525.55 and 43,234.90 is: 64,813.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,749.40 : 164,525.55 = 43,234.90 : x
  2. Step 2: Convert to fraction form
    109,749.40/164,525.55 = 43,234.90/x
  3. Step 3: Cross multiply
    109,749.40x = 164,525.55 × 43,234.90
  4. Step 4: Simplify right side
    109,749.40x = 7,113,245,701.70
  5. Step 5: Solve for x
    x = 7,113,245,701.70/109,749.40
  6. Step 6: Final answer
    x = 64,813.53

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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.