Home / 236,038.05-325,728.27-128,608.83

Finding the Fourth Proportional to 236,038.05, 325,728.27 and 128,608.83

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Solution

The fourth proportional to 236,038.05, 325,728.27 and 128,608.83 is: 177,477.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,038.05 : 325,728.27 = 128,608.83 : x
  2. Step 2: Convert to fraction form
    236,038.05/325,728.27 = 128,608.83/x
  3. Step 3: Cross multiply
    236,038.05x = 325,728.27 × 128,608.83
  4. Step 4: Simplify right side
    236,038.05x = 41,891,531,702.62
  5. Step 5: Solve for x
    x = 41,891,531,702.62/236,038.05
  6. Step 6: Final answer
    x = 177,477.88

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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.