Home / 191,096.13-263,669.79-115,643.01

Finding the Fourth Proportional to 191,096.13, 263,669.79 and 115,643.01

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Solution

The fourth proportional to 191,096.13, 263,669.79 and 115,643.01 is: 159,561.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,096.13 : 263,669.79 = 115,643.01 : x
  2. Step 2: Convert to fraction form
    191,096.13/263,669.79 = 115,643.01/x
  3. Step 3: Cross multiply
    191,096.13x = 263,669.79 × 115,643.01
  4. Step 4: Simplify right side
    191,096.13x = 30,491,568,161.67
  5. Step 5: Solve for x
    x = 30,491,568,161.67/191,096.13
  6. Step 6: Final answer
    x = 159,561.41

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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.