Home / 156,736.90-235,105.35-133,117.30

Finding the Fourth Proportional to 156,736.90, 235,105.35 and 133,117.30

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Solution

The fourth proportional to 156,736.90, 235,105.35 and 133,117.30 is: 199,675.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,736.90 : 235,105.35 = 133,117.30 : x
  2. Step 2: Convert to fraction form
    156,736.90/235,105.35 = 133,117.30/x
  3. Step 3: Cross multiply
    156,736.90x = 235,105.35 × 133,117.30
  4. Step 4: Simplify right side
    156,736.90x = 31,296,589,407.56
  5. Step 5: Solve for x
    x = 31,296,589,407.56/156,736.90
  6. Step 6: Final answer
    x = 199,675.95

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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.