Home / 236,244.69-326,010.57-128,816.82

Finding the Fourth Proportional to 236,244.69, 326,010.57 and 128,816.82

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Solution

The fourth proportional to 236,244.69, 326,010.57 and 128,816.82 is: 177,763.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,244.69 : 326,010.57 = 128,816.82 : x
  2. Step 2: Convert to fraction form
    236,244.69/326,010.57 = 128,816.82/x
  3. Step 3: Cross multiply
    236,244.69x = 326,010.57 × 128,816.82
  4. Step 4: Simplify right side
    236,244.69x = 41,995,644,913.79
  5. Step 5: Solve for x
    x = 41,995,644,913.79/236,244.69
  6. Step 6: Final answer
    x = 177,763.34

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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.