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Finding the Fourth Proportional to 191,116.44, 263,719.26 and 114,638.67

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Solution

The fourth proportional to 191,116.44, 263,719.26 and 114,638.67 is: 158,188.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,116.44 : 263,719.26 = 114,638.67 : x
  2. Step 2: Convert to fraction form
    191,116.44/263,719.26 = 114,638.67/x
  3. Step 3: Cross multiply
    191,116.44x = 263,719.26 × 114,638.67
  4. Step 4: Simplify right side
    191,116.44x = 30,232,425,219.78
  5. Step 5: Solve for x
    x = 30,232,425,219.78/191,116.44
  6. Step 6: Final answer
    x = 158,188.51

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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.