Home / 236,261.61-326,048.90-128,837.54

Finding the Fourth Proportional to 236,261.61, 326,048.90 and 128,837.54

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Solution

The fourth proportional to 236,261.61, 326,048.90 and 128,837.54 is: 177,800.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,261.61 : 326,048.90 = 128,837.54 : x
  2. Step 2: Convert to fraction form
    236,261.61/326,048.90 = 128,837.54/x
  3. Step 3: Cross multiply
    236,261.61x = 326,048.90 × 128,837.54
  4. Step 4: Simplify right side
    236,261.61x = 42,007,336,532.62
  5. Step 5: Solve for x
    x = 42,007,336,532.62/236,261.61
  6. Step 6: Final answer
    x = 177,800.09

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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.