Home / 156,156.15-234,199.14-71,835.33

Finding the Fourth Proportional to 156,156.15, 234,199.14 and 71,835.33

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Solution

The fourth proportional to 156,156.15, 234,199.14 and 71,835.33 is: 107,736.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,156.15 : 234,199.14 = 71,835.33 : x
  2. Step 2: Convert to fraction form
    156,156.15/234,199.14 = 71,835.33/x
  3. Step 3: Cross multiply
    156,156.15x = 234,199.14 × 71,835.33
  4. Step 4: Simplify right side
    156,156.15x = 16,823,772,507.62
  5. Step 5: Solve for x
    x = 16,823,772,507.62/156,156.15
  6. Step 6: Final answer
    x = 107,736.86

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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.