Home / 156,711.82-216,260.08-88,727.03

Finding the Fourth Proportional to 156,711.82, 216,260.08 and 88,727.03

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Solution

The fourth proportional to 156,711.82, 216,260.08 and 88,727.03 is: 122,442.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,711.82 : 216,260.08 = 88,727.03 : x
  2. Step 2: Convert to fraction form
    156,711.82/216,260.08 = 88,727.03/x
  3. Step 3: Cross multiply
    156,711.82x = 216,260.08 × 88,727.03
  4. Step 4: Simplify right side
    156,711.82x = 19,188,114,605.96
  5. Step 5: Solve for x
    x = 19,188,114,605.96/156,711.82
  6. Step 6: Final answer
    x = 122,442.04

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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.