Home / 236,820.69-326,817.25-129,397.38

Finding the Fourth Proportional to 236,820.69, 326,817.25 and 129,397.38

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Solution

The fourth proportional to 236,820.69, 326,817.25 and 129,397.38 is: 178,570.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,820.69 : 326,817.25 = 129,397.38 : x
  2. Step 2: Convert to fraction form
    236,820.69/326,817.25 = 129,397.38/x
  3. Step 3: Cross multiply
    236,820.69x = 326,817.25 × 129,397.38
  4. Step 4: Simplify right side
    236,820.69x = 42,289,295,241.82
  5. Step 5: Solve for x
    x = 42,289,295,241.82/236,820.69
  6. Step 6: Final answer
    x = 178,570.95

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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.