Home / 172,233.19-258,261.22-77,382.08

Finding the Fourth Proportional to 172,233.19, 258,261.22 and 77,382.08

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Solution

The fourth proportional to 172,233.19, 258,261.22 and 77,382.08 is: 116,033.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,233.19 : 258,261.22 = 77,382.08 : x
  2. Step 2: Convert to fraction form
    172,233.19/258,261.22 = 77,382.08/x
  3. Step 3: Cross multiply
    172,233.19x = 258,261.22 × 77,382.08
  4. Step 4: Simplify right side
    172,233.19x = 19,984,790,386.94
  5. Step 5: Solve for x
    x = 19,984,790,386.94/172,233.19
  6. Step 6: Final answer
    x = 116,033.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.