Home / 109,511.90-164,229.45-56,903.90

Finding the Fourth Proportional to 109,511.90, 164,229.45 and 56,903.90

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Solution

The fourth proportional to 109,511.90, 164,229.45 and 56,903.90 is: 85,335.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,511.90 : 164,229.45 = 56,903.90 : x
  2. Step 2: Convert to fraction form
    109,511.90/164,229.45 = 56,903.90/x
  3. Step 3: Cross multiply
    109,511.90x = 164,229.45 × 56,903.90
  4. Step 4: Simplify right side
    109,511.90x = 9,345,296,199.86
  5. Step 5: Solve for x
    x = 9,345,296,199.86/109,511.90
  6. Step 6: Final answer
    x = 85,335.90

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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.