Home / 156,231.92-215,598.84-84,611.72

Finding the Fourth Proportional to 156,231.92, 215,598.84 and 84,611.72

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Solution

The fourth proportional to 156,231.92, 215,598.84 and 84,611.72 is: 116,763.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,231.92 : 215,598.84 = 84,611.72 : x
  2. Step 2: Convert to fraction form
    156,231.92/215,598.84 = 84,611.72/x
  3. Step 3: Cross multiply
    156,231.92x = 215,598.84 × 84,611.72
  4. Step 4: Simplify right side
    156,231.92x = 18,242,188,682.40
  5. Step 5: Solve for x
    x = 18,242,188,682.40/156,231.92
  6. Step 6: Final answer
    x = 116,763.52

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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.