Home / 236,696.42-326,638.86-129,266.12

Finding the Fourth Proportional to 236,696.42, 326,638.86 and 129,266.12

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Solution

The fourth proportional to 236,696.42, 326,638.86 and 129,266.12 is: 178,386.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,696.42 : 326,638.86 = 129,266.12 : x
  2. Step 2: Convert to fraction form
    236,696.42/326,638.86 = 129,266.12/x
  3. Step 3: Cross multiply
    236,696.42x = 326,638.86 × 129,266.12
  4. Step 4: Simplify right side
    236,696.42x = 42,223,338,073.42
  5. Step 5: Solve for x
    x = 42,223,338,073.42/236,696.42
  6. Step 6: Final answer
    x = 178,386.04

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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.