Home / 170,767.08-235,667.70-99,169.56

Finding the Fourth Proportional to 170,767.08, 235,667.70 and 99,169.56

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Solution

The fourth proportional to 170,767.08, 235,667.70 and 99,169.56 is: 136,859.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,767.08 : 235,667.70 = 99,169.56 : x
  2. Step 2: Convert to fraction form
    170,767.08/235,667.70 = 99,169.56/x
  3. Step 3: Cross multiply
    170,767.08x = 235,667.70 × 99,169.56
  4. Step 4: Simplify right side
    170,767.08x = 23,371,062,115.21
  5. Step 5: Solve for x
    x = 23,371,062,115.21/170,767.08
  6. Step 6: Final answer
    x = 136,859.29

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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.