Home / 236,358.41-326,176.69-128,928.92

Finding the Fourth Proportional to 236,358.41, 326,176.69 and 128,928.92

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Solution

The fourth proportional to 236,358.41, 326,176.69 and 128,928.92 is: 177,923.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,358.41 : 326,176.69 = 128,928.92 : x
  2. Step 2: Convert to fraction form
    236,358.41/326,176.69 = 128,928.92/x
  3. Step 3: Cross multiply
    236,358.41x = 326,176.69 × 128,928.92
  4. Step 4: Simplify right side
    236,358.41x = 42,053,608,370.87
  5. Step 5: Solve for x
    x = 42,053,608,370.87/236,358.41
  6. Step 6: Final answer
    x = 177,923.05

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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.