Home / 236,103.03-325,821.60-128,672.89

Finding the Fourth Proportional to 236,103.03, 325,821.60 and 128,672.89

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Solution

The fourth proportional to 236,103.03, 325,821.60 and 128,672.89 is: 177,568.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,103.03 : 325,821.60 = 128,672.89 : x
  2. Step 2: Convert to fraction form
    236,103.03/325,821.60 = 128,672.89/x
  3. Step 3: Cross multiply
    236,103.03x = 325,821.60 × 128,672.89
  4. Step 4: Simplify right side
    236,103.03x = 41,924,406,081.87
  5. Step 5: Solve for x
    x = 41,924,406,081.87/236,103.03
  6. Step 6: Final answer
    x = 177,568.27

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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.