Home / 236,812.22-326,805.57-129,388.92

Finding the Fourth Proportional to 236,812.22, 326,805.57 and 129,388.92

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Solution

The fourth proportional to 236,812.22, 326,805.57 and 129,388.92 is: 178,559.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,812.22 : 326,805.57 = 129,388.92 : x
  2. Step 2: Convert to fraction form
    236,812.22/326,805.57 = 129,388.92/x
  3. Step 3: Cross multiply
    236,812.22x = 326,805.57 × 129,388.92
  4. Step 4: Simplify right side
    236,812.22x = 42,285,019,752.28
  5. Step 5: Solve for x
    x = 42,285,019,752.28/236,812.22
  6. Step 6: Final answer
    x = 178,559.28

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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.