Home / 236,661.98-326,581.34-129,211.29

Finding the Fourth Proportional to 236,661.98, 326,581.34 and 129,211.29

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Solution

The fourth proportional to 236,661.98, 326,581.34 and 129,211.29 is: 178,304.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,661.98 : 326,581.34 = 129,211.29 : x
  2. Step 2: Convert to fraction form
    236,661.98/326,581.34 = 129,211.29/x
  3. Step 3: Cross multiply
    236,661.98x = 326,581.34 × 129,211.29
  4. Step 4: Simplify right side
    236,661.98x = 42,197,995,585.27
  5. Step 5: Solve for x
    x = 42,197,995,585.27/236,661.98
  6. Step 6: Final answer
    x = 178,304.92

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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.