Home / 236,988.09-327,043.52-129,558.11

Finding the Fourth Proportional to 236,988.09, 327,043.52 and 129,558.11

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Solution

The fourth proportional to 236,988.09, 327,043.52 and 129,558.11 is: 178,790.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,988.09 : 327,043.52 = 129,558.11 : x
  2. Step 2: Convert to fraction form
    236,988.09/327,043.52 = 129,558.11/x
  3. Step 3: Cross multiply
    236,988.09x = 327,043.52 × 129,558.11
  4. Step 4: Simplify right side
    236,988.09x = 42,371,138,055.94
  5. Step 5: Solve for x
    x = 42,371,138,055.94/236,988.09
  6. Step 6: Final answer
    x = 178,790.16

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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.