Home / 128,616.83-177,334.39-94,521.50

Finding the Fourth Proportional to 128,616.83, 177,334.39 and 94,521.50

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Solution

The fourth proportional to 128,616.83, 177,334.39 and 94,521.50 is: 130,324.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,616.83 : 177,334.39 = 94,521.50 : x
  2. Step 2: Convert to fraction form
    128,616.83/177,334.39 = 94,521.50/x
  3. Step 3: Cross multiply
    128,616.83x = 177,334.39 × 94,521.50
  4. Step 4: Simplify right side
    128,616.83x = 16,761,912,544.39
  5. Step 5: Solve for x
    x = 16,761,912,544.39/128,616.83
  6. Step 6: Final answer
    x = 130,324.41

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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.