Home / 157,433.22-217,257.83-85,813.73

Finding the Fourth Proportional to 157,433.22, 217,257.83 and 85,813.73

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Solution

The fourth proportional to 157,433.22, 217,257.83 and 85,813.73 is: 118,422.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,433.22 : 217,257.83 = 85,813.73 : x
  2. Step 2: Convert to fraction form
    157,433.22/217,257.83 = 85,813.73/x
  3. Step 3: Cross multiply
    157,433.22x = 217,257.83 × 85,813.73
  4. Step 4: Simplify right side
    157,433.22x = 18,643,704,385.17
  5. Step 5: Solve for x
    x = 18,643,704,385.17/157,433.22
  6. Step 6: Final answer
    x = 118,422.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.