Home / 236,042.76-325,734.90-128,613.68

Finding the Fourth Proportional to 236,042.76, 325,734.90 and 128,613.68

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Solution

The fourth proportional to 236,042.76, 325,734.90 and 128,613.68 is: 177,484.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,042.76 : 325,734.90 = 128,613.68 : x
  2. Step 2: Convert to fraction form
    236,042.76/325,734.90 = 128,613.68/x
  3. Step 3: Cross multiply
    236,042.76x = 325,734.90 × 128,613.68
  4. Step 4: Simplify right side
    236,042.76x = 41,893,964,193.43
  5. Step 5: Solve for x
    x = 41,893,964,193.43/236,042.76
  6. Step 6: Final answer
    x = 177,484.64

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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.