Home / 191,135.56-263,744.10-105,080.38

Finding the Fourth Proportional to 191,135.56, 263,744.10 and 105,080.38

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Solution

The fourth proportional to 191,135.56, 263,744.10 and 105,080.38 is: 144,998.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,135.56 : 263,744.10 = 105,080.38 : x
  2. Step 2: Convert to fraction form
    191,135.56/263,744.10 = 105,080.38/x
  3. Step 3: Cross multiply
    191,135.56x = 263,744.10 × 105,080.38
  4. Step 4: Simplify right side
    191,135.56x = 27,714,330,250.76
  5. Step 5: Solve for x
    x = 27,714,330,250.76/191,135.56
  6. Step 6: Final answer
    x = 144,998.29

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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.