Home / 191,205.89-263,864.34-106,321.13

Finding the Fourth Proportional to 191,205.89, 263,864.34 and 106,321.13

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Solution

The fourth proportional to 191,205.89, 263,864.34 and 106,321.13 is: 146,723.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,205.89 : 263,864.34 = 106,321.13 : x
  2. Step 2: Convert to fraction form
    191,205.89/263,864.34 = 106,321.13/x
  3. Step 3: Cross multiply
    191,205.89x = 263,864.34 × 106,321.13
  4. Step 4: Simplify right side
    191,205.89x = 28,054,354,795.50
  5. Step 5: Solve for x
    x = 28,054,354,795.50/191,205.89
  6. Step 6: Final answer
    x = 146,723.28

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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.