Home / 172,661.09-238,309.06-116,039.66

Finding the Fourth Proportional to 172,661.09, 238,309.06 and 116,039.66

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Solution

The fourth proportional to 172,661.09, 238,309.06 and 116,039.66 is: 160,159.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,661.09 : 238,309.06 = 116,039.66 : x
  2. Step 2: Convert to fraction form
    172,661.09/238,309.06 = 116,039.66/x
  3. Step 3: Cross multiply
    172,661.09x = 238,309.06 × 116,039.66
  4. Step 4: Simplify right side
    172,661.09x = 27,653,302,297.32
  5. Step 5: Solve for x
    x = 27,653,302,297.32/172,661.09
  6. Step 6: Final answer
    x = 160,159.43

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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.