Home / 236,100.83-325,809.64-128,668.53

Finding the Fourth Proportional to 236,100.83, 325,809.64 and 128,668.53

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Solution

The fourth proportional to 236,100.83, 325,809.64 and 128,668.53 is: 177,557.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,100.83 : 325,809.64 = 128,668.53 : x
  2. Step 2: Convert to fraction form
    236,100.83/325,809.64 = 128,668.53/x
  3. Step 3: Cross multiply
    236,100.83x = 325,809.64 × 128,668.53
  4. Step 4: Simplify right side
    236,100.83x = 41,921,448,821.25
  5. Step 5: Solve for x
    x = 41,921,448,821.25/236,100.83
  6. Step 6: Final answer
    x = 177,557.40

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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.