Home / 236,376.66-326,200.86-128,946.36

Finding the Fourth Proportional to 236,376.66, 326,200.86 and 128,946.36

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Solution

The fourth proportional to 236,376.66, 326,200.86 and 128,946.36 is: 177,946.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,376.66 : 326,200.86 = 128,946.36 : x
  2. Step 2: Convert to fraction form
    236,376.66/326,200.86 = 128,946.36/x
  3. Step 3: Cross multiply
    236,376.66x = 326,200.86 × 128,946.36
  4. Step 4: Simplify right side
    236,376.66x = 42,062,413,525.87
  5. Step 5: Solve for x
    x = 42,062,413,525.87/236,376.66
  6. Step 6: Final answer
    x = 177,946.56

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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.