Home / 191,147.50-263,783.85-106,264.56

Finding the Fourth Proportional to 191,147.50, 263,783.85 and 106,264.56

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Solution

The fourth proportional to 191,147.50, 263,783.85 and 106,264.56 is: 146,645.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,147.50 : 263,783.85 = 106,264.56 : x
  2. Step 2: Convert to fraction form
    191,147.50/263,783.85 = 106,264.56/x
  3. Step 3: Cross multiply
    191,147.50x = 263,783.85 × 106,264.56
  4. Step 4: Simplify right side
    191,147.50x = 28,030,874,755.36
  5. Step 5: Solve for x
    x = 28,030,874,755.36/191,147.50
  6. Step 6: Final answer
    x = 146,645.26

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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.