Home / 236,066.74-325,771.98-128,636.62

Finding the Fourth Proportional to 236,066.74, 325,771.98 and 128,636.62

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Solution

The fourth proportional to 236,066.74, 325,771.98 and 128,636.62 is: 177,518.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,066.74 : 325,771.98 = 128,636.62 : x
  2. Step 2: Convert to fraction form
    236,066.74/325,771.98 = 128,636.62/x
  3. Step 3: Cross multiply
    236,066.74x = 325,771.98 × 128,636.62
  4. Step 4: Simplify right side
    236,066.74x = 41,906,206,397.91
  5. Step 5: Solve for x
    x = 41,906,206,397.91/236,066.74
  6. Step 6: Final answer
    x = 177,518.47

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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.