Home / 191,145.72-263,786.82-105,100.24

Finding the Fourth Proportional to 191,145.72, 263,786.82 and 105,100.24

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Solution

The fourth proportional to 191,145.72, 263,786.82 and 105,100.24 is: 145,041.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,145.72 : 263,786.82 = 105,100.24 : x
  2. Step 2: Convert to fraction form
    191,145.72/263,786.82 = 105,100.24/x
  3. Step 3: Cross multiply
    191,145.72x = 263,786.82 × 105,100.24
  4. Step 4: Simplify right side
    191,145.72x = 27,724,058,090.84
  5. Step 5: Solve for x
    x = 27,724,058,090.84/191,145.72
  6. Step 6: Final answer
    x = 145,041.48

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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.