Home / 236,461.62-326,317.86-129,034.02

Finding the Fourth Proportional to 236,461.62, 326,317.86 and 129,034.02

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Solution

The fourth proportional to 236,461.62, 326,317.86 and 129,034.02 is: 178,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,461.62 : 326,317.86 = 129,034.02 : x
  2. Step 2: Convert to fraction form
    236,461.62/326,317.86 = 129,034.02/x
  3. Step 3: Cross multiply
    236,461.62x = 326,317.86 × 129,034.02
  4. Step 4: Simplify right side
    236,461.62x = 42,106,105,273.60
  5. Step 5: Solve for x
    x = 42,106,105,273.60/236,461.62
  6. Step 6: Final answer
    x = 178,067.40

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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.