Home / 236,133.90-325,863.54-128,703.60

Finding the Fourth Proportional to 236,133.90, 325,863.54 and 128,703.60

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Solution

The fourth proportional to 236,133.90, 325,863.54 and 128,703.60 is: 177,610.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,133.90 : 325,863.54 = 128,703.60 : x
  2. Step 2: Convert to fraction form
    236,133.90/325,863.54 = 128,703.60/x
  3. Step 3: Cross multiply
    236,133.90x = 325,863.54 × 128,703.60
  4. Step 4: Simplify right side
    236,133.90x = 41,939,810,706.74
  5. Step 5: Solve for x
    x = 41,939,810,706.74/236,133.90
  6. Step 6: Final answer
    x = 177,610.29

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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.