Home / 115,233.19-159,022.49-64,249.13

Finding the Fourth Proportional to 115,233.19, 159,022.49 and 64,249.13

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Solution

The fourth proportional to 115,233.19, 159,022.49 and 64,249.13 is: 88,664.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,233.19 : 159,022.49 = 64,249.13 : x
  2. Step 2: Convert to fraction form
    115,233.19/159,022.49 = 64,249.13/x
  3. Step 3: Cross multiply
    115,233.19x = 159,022.49 × 64,249.13
  4. Step 4: Simplify right side
    115,233.19x = 10,217,056,709.24
  5. Step 5: Solve for x
    x = 10,217,056,709.24/115,233.19
  6. Step 6: Final answer
    x = 88,664.19

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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.