Home / 164,201.18-245,856.87-85,149.63

Finding the Fourth Proportional to 164,201.18, 245,856.87 and 85,149.63

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Solution

The fourth proportional to 164,201.18, 245,856.87 and 85,149.63 is: 127,493.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,201.18 : 245,856.87 = 85,149.63 : x
  2. Step 2: Convert to fraction form
    164,201.18/245,856.87 = 85,149.63/x
  3. Step 3: Cross multiply
    164,201.18x = 245,856.87 × 85,149.63
  4. Step 4: Simplify right side
    164,201.18x = 20,934,621,513.46
  5. Step 5: Solve for x
    x = 20,934,621,513.46/164,201.18
  6. Step 6: Final answer
    x = 127,493.74

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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.