Home / 236,153.94-325,897.62-128,729.34

Finding the Fourth Proportional to 236,153.94, 325,897.62 and 128,729.34

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Solution

The fourth proportional to 236,153.94, 325,897.62 and 128,729.34 is: 177,649.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,153.94 : 325,897.62 = 128,729.34 : x
  2. Step 2: Convert to fraction form
    236,153.94/325,897.62 = 128,729.34/x
  3. Step 3: Cross multiply
    236,153.94x = 325,897.62 × 128,729.34
  4. Step 4: Simplify right side
    236,153.94x = 41,952,585,530.17
  5. Step 5: Solve for x
    x = 41,952,585,530.17/236,153.94
  6. Step 6: Final answer
    x = 177,649.31

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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.